Drugs Similar to L-DOPA PHENOLIC

USES: For temporary relief of anxiety, chest congestion with constriction, disorientation, shakiness, hay fever, and hives. **Claims based on traditional homeopathic practice, not accepted medical evidence. Not FDA evaluated.

USES: • For the temporary relief of symptoms including: • stiff muscles • tremor • weakness • fatigue These statements are based upon homeopathic principles. They have not been reviewed by the Food and Drug Administration.

INDICATIONS For the temporary relief of anxiousness, weakness, fatigue, hay fever, or congestion due to sensitivity to phenolic compounds found in foods or other products.*

INDICATIONS: For temporary relief of anxiety, chest congestion with constriction, disorientation, shakiness, hay fever, and hives

USES: • For the temporary relief of symptoms including: • neurological support • pain • joint pain • swelling These statements are based upon homeopathic principles. They have not been reviewed by the Food and Drug Administration.

Carbidopa and levodopa extended-release tablets USP are for the treatment of Parkinson's disease and syndrome. Carbidopa, an inhibitor of aromatic amino acid decarboxylation, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 244.3. It is designated chemically as (—)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its empirical formula is C 10 H 14 N 2 O 4 •H 2 O and its structural formula is: Tablet content is expressed in terms of anhydrous carbidopa, which has a molecular weight of 226.3. Levodopa, an aromatic amino acid, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 197.2. It is designated chemically as (—)-L-α-amino-β-(3,4-dihydroxybenzene) propanoic acid. Its empirical formula is C 9 H 11 NO 4 and its structural formula is: Each extended-release tablet, for oral administration, contains either 50 mg of carbidopa USP and 200 mg of levodopa USP, or 25 mg of carbidopa USP and 100 mg of levodopa USP. Inactive ingredients: microcrystalline cellulose, lactose monohydrate, hydroxypropylmethyl cellulose, hypromellose, colloidal anhydrous silica, magnesium stearate, ferric oxide red and ferric oxide yellow. The 50 mg/200 mg tablet is supplied as an oval, scored, biconvex, compressed tablet that is peach to light peach colored. The 25 mg/100 mg tablet is supplied as an oval, biconvex, compressed tablet that is peach to light peach colored. Carbidopa and levodopa extended-release tablets USP are designed in a drug delivery system that controls the release of carbidopa and levodopa as it slowly erodes. The 25 mg/100 mg carbidopa and levodopa extended-release tablet USP is available to facilitate titration and as an alternative to the half-tablet of 50 mg/200 mg carbidopa and levodopa extended-release tablet USP. Carbidopa and levodopa extended-release tablets USP meet USP Dissolution Test 5. Carbidopa Chemical Structure Levodopa Chemical Structure

Carbidopa and levodopa tablets are a combination product for the treatment of Parkinson's disease and syndrome. Carbidopa, USP an inhibitor of aromatic amino acid decarboxylation, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 244.3.. It is designated chemically as (-)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its empirical formula is C 10 H 14 N 2 O 4 .H 2 O, and its structural formula is: Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.23. Levodopa, USP an aromatic amino acid, is a white, crystalline compound, slightly soluble in water with a molecular weight of 197.19. It is designated chemically as (-)-L-α-amino-β-(3,4-dihydroxybenzene) propanoic acid. Its empirical formula is C 9 H 11 NO 4 , and its structural formula is: Carbidopa and levodopa tablets, USP for oral administration, are supplied in three strengths: 10 mg/100 mg, containing 10 mg of carbidopa and 100 mg of levodopa. 25 mg/100 mg, containing 25 mg of carbidopa and 100 mg of levodopa. 25 mg/250 mg, containing 25 mg of carbidopa and 250 mg of levodopa. In addition, each tablet contains the following inactive ingredients: 10 mg/100 mg — Corn starch, FD&C blue #2 aluminum lake, magnesium stearate, microcrystalline cellulose, and pregelatinized starch (maize). 25 mg/100 mg — Corn starch, D&C yellow #10 aluminum lake, FD&C yellow #6 aluminum lake (sunset yellow lake), magnesium stearate, microcrystalline cellulose, and pregelatinized starch (maize). 25 mg/250 mg — Corn starch, FD&C blue #2 aluminum lake, magnesium stearate, microcrystalline cellulose, and pregelatinized starch (maize).

Carbidopa and levodopa tablets, USP are a combination of carbidopa and levodopa for the treatment of Parkinson's disease and syndrome. Carbidopa USP, an inhibitor of aromatic amino acid decarboxylation, is a white to creamy white powder, freely soluble in 3N hydrochloric acid, slightly soluble in water and methanol, practically insoluble in alcohol, acetone, ether and chloroform, with a molecular weight of 244.3. It is designated chemically as (—)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O, and its structural formula is: Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.3. Levodopa USP, an aromatic amino acid, is a white to off-white, crystalline powder, slightly soluble in water, freely soluble in 3N hydrochloric acid, insoluble in alcohol, with a molecular weight of 197.2. It is designated chemically as (—)-L-α-amino-β-(3,4-dihydroxybenzene) propanoic acid. Its molecular formula is C 9 H 11 NO 4 , and its structural formula is: Carbidopa and levodopa is supplied as tablets for oral administration in three strengths: Carbidopa and levodopa tablets USP, 25 mg/100 mg containing 25 mg of carbidopa USP and 100 mg of levodopa USP. Carbidopa and levodopa tablets USP, 10 mg/100 mg containing 10 mg of carbidopa USP and 100 mg of levodopa USP. Carbidopa and levodopa tablets USP, 25 mg/250 mg containing 25 mg of carbidopa USP and 250 mg of levodopa USP. Inactive ingredients are crospovidone, hydroxypropyl cellulose, magnesium stearate, microcrystalline cellulose, and pregelatinized starch (maize). Carbidopa and levodopa tablets USP, 10 mg/100 mg and 25 mg/250 mg also contain FD&C Blue No.2 Aluminum Lake. Carbidopa and levodopa tablets USP, 25 mg/100 mg also contain D&C Yellow No.10. FDA approved dissolution test specifications differ from USP. chemical structure 1 chemical structure 2

Carbidopa and levodopa tablet, USP is a combination of carbidopa and levodopa for the treatment of Parkinson’s disease and syndrome. Carbidopa USP, an inhibitor of aromatic amino acid decarboxylation, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 244.24. It is designated chemically as (-)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O and its structural formula is: Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.23. Levodopa USP, an aromatic amino acid, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 197.2. It is designated chemically as (-)-L-α-amino-β-(3,4-dihydroxybenzene) propanoic acid. Its molecular formula is C 9 H 11 NO 4 and its structural formula is: Carbidopa and levodopa is supplied as tablets in three strengths: Carbidopa and levodopa tablets, USP, 25 mg/100 mg, containing 25 mg of carbidopa and 100 mg of levodopa. Carbidopa and levodopa tablets, USP, 10 mg/100 mg, containing 10 mg of carbidopa and 100 mg of levodopa. Carbidopa and levodopa tablets, USP, 25 mg/250 mg, containing 25 mg of carbidopa and 250 mg of levodopa. Inactive ingredients are microcrystalline cellulose, corn starch, pregelatinized maize starch, sodium starch glycolate, magnesium stearate. Carbidopa and levodopa tablets, USP 10 mg/100 mg and 25 mg/250 mg also contain FD&C Blue 2. Carbidopa and levodopa tablets, USP 25 mg/100 mg also contain D&C Yellow 10 and FD&C Yellow 6. FDA approved dissolution method differs from that of the USP.

Carbidopa and levodopa tablet, USP is a combination of carbidopa and levodopa for the treatment of Parkinson’s disease and syndrome. Carbidopa USP, an inhibitor of aromatic amino acid decarboxylation, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 244.24. It is designated chemically as (-)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O and its structural formula is: Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.23. Levodopa USP, an aromatic amino acid, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 197.2. It is designated chemically as (-)-L-α-amino-β-(3,4-dihydroxybenzene) propanoic acid. Its molecular formula is C 9 H 11 NO 4 and its structural formula is: Carbidopa and levodopa is supplied as tablets in three strengths: Carbidopa and levodopa tablets, USP, 25 mg/100 mg, containing 25 mg of carbidopa and 100 mg of levodopa. Carbidopa and levodopa tablets, USP, 10 mg/100 mg, containing 10 mg of carbidopa and 100 mg of levodopa. Carbidopa and levodopa tablets, USP, 25 mg/250 mg, containing 25 mg of carbidopa and 250 mg of levodopa. Inactive ingredients are microcrystalline cellulose, corn starch, pregelatinized maize starch, sodium starch glycolate, magnesium stearate. Carbidopa and levodopa tablets, USP 10 mg/100 mg and 25 mg/250 mg also contain FD&C Blue 2. Carbidopa and levodopa tablets, USP 25 mg/100 mg also contain D&C Yellow 10 and FD&C Yellow 6. FDA approved dissolution method differs from that of the USP. cdld-structure-carbidopa cdld-structure-levodopa

Carbidopa and levodopa tablet, USP is a combination of carbidopa and levodopa for the treatment of Parkinson’s disease and syndrome. Carbidopa USP, an inhibitor of aromatic amino acid decarboxylation, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 244.24. It is designated chemically as (-)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O and its structural formula is: Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.23. Levodopa USP, an aromatic amino acid, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 197.2. It is designated chemically as (-)-L-α-amino-β-(3,4-dihydroxybenzene) propanoic acid. Its molecular formula is C 9 H 11 NO 4 and its structural formula is: Carbidopa and levodopa is supplied as tablets in three strengths: Carbidopa and levodopa tablets, USP, 25 mg/100 mg, containing 25 mg of carbidopa and 100 mg of levodopa. Carbidopa and levodopa tablets, USP, 10 mg/100 mg, containing 10 mg of carbidopa and 100 mg of levodopa. Carbidopa and levodopa tablets, USP, 25 mg/250 mg, containing 25 mg of carbidopa and 250 mg of levodopa. Inactive ingredients are microcrystalline cellulose, corn starch, pregelatinized maize starch, sodium starch glycolate, magnesium stearate. Carbidopa and levodopa tablets, USP 10 mg/100 mg and 25 mg/250 mg also contain FD&C Blue 2. Carbidopa and levodopa tablets, USP 25 mg/100 mg also contain D&C Yellow 10 and FD&C Yellow 6. FDA approved dissolution method differs from that of the USP.

Carbidopa and levodopa tablets, USP are a combination product for the treatment of Parkinson's disease and syndrome. Carbidopa, USP an inhibitor of aromatic amino acid decarboxylation, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 244.24. It is designated chemically as (-)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O, and its structural formula is: Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.23. Levodopa, USP an aromatic amino acid, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 197.19. It is designated chemically as (-)-L-α-amino-β-(3,4-dihydroxybenzene) propanoic acid. Its molecular formula is C 9 H 11 NO 4 , and its structural formula is: Carbidopa and Levodopa Tablets, USP for oral administration, are supplied in three strengths: 10 mg/100 mg, containing 10 mg of carbidopa, USP and 100 mg of levodopa, USP. 25 mg/100 mg, containing 25 mg of carbidopa, USP and 100 mg of levodopa, USP. 25 mg/250 mg, containing 25 mg of carbidopa, USP and 250 mg of levodopa, USP. In addition, each tablet contains the following inactive ingredients: corn starch, magnesium stearate, microcrystalline cellulose, pregelatinized starch (maize). In addition, the 25 mg/100 mg strength contain D&C yellow #10 aluminum lake and FD&C yellow #6 aluminum lake (sunset yellow lake). The 10 mg/100 mg and 25 mg/250 mg strengths contain FD&C blue #2 aluminum lake. 67944b5f-figure-01 67944b5f-figure-02

Carbidopa and levodopa orally disintegrating tablets, USP are a combination of carbidopa and levodopa for the treatment of Parkinson's disease and syndrome. Carbidopa and levodopa orally disintegrating tablets are an orally administered formulation of carbidopa and levodopa which rapidly disintegrates on the tongue and does not require water to aid dissolution or swallowing. Carbidopa, USP, an inhibitor of aromatic amino acid decarboxylation, is a white to creamy white powder, slightly soluble in water, with a molecular weight of 244.2. It is designated chemically as (-)-L-α-Hydrazino-3,4-dihydroxy-α-methylhydrocinnamic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O, and its structural formula is: Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.2. Levodopa, USP, an aromatic amino acid, is a white to off-white, odorless crystalline powder, slightly soluble in water, with a molecular weight of 197.2. It is designated chemically as (-)-3-(3,4-Dihydroxyphenyl)-L-alanine. Its molecular formula is C 9 H 11 NO 4 , and its structural formula is: Carbidopa and levodopa orally disintegrating tablets, USP are supplied as tablets in three strengths: Carbidopa and Levodopa Orally Disintegrating Tablets 10 mg /100 mg, containing 10 mg of carbidopa and 100 mg of levodopa. Carbidopa and Levodopa Orally Disintegrating Tablets 25 mg/100 mg, containing 25 mg of carbidopa and 100 mg of levodopa. Carbidopa and Levodopa Orally Disintegrating Tablets 25 mg/250 mg, containing 25 mg of carbidopa and 250 mg of levodopa. Inactive ingredients are aspartame, crospovidone, mannitol, microcrystalline cellulose, peppermint flavor, silica, sodium stearyl fumarate and sorbitol. In addition, the 25 mg/100 mg tablets contain FD&C Blue No. 1 Aluminum Lake and the 10 mg/100 mg and 25 mg/250 mg tablets contain D&C Yellow No. 10 Aluminum Lake and FD&C Blue No. 1 Aluminum Lake. carbidopa-structural-formula.jpg levodopa-structural-formula.jpg

Carbidopa and Levodopa tablet, USP is a combination of carbidopa and levodopa for the treatment of Parkinson’s disease and syndrome. Carbidopa, USP an inhibitor of aromatic amino acid decarboxylation, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 244.24. It is designated chemically as (-)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O, and its structural formula is: Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.23. Levodopa, USP an aromatic amino acid, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 197.19. It is designated chemically as (-)-L-α-amino-β-(3,4- dihydroxybenzene) propanoic acid. Its molecular formula is C 9 H 11 NO 4 , and its structural formula is: Carbidopa and Levodopa is supplied as tablets in three strengths: Carbidopa and Levodopa tablets, USP 10 mg/100 mg, containing 10 mg of carbidopa and 100 mg of levodopa. Carbidopa and Levodopa tablets, USP 25 mg/100 mg, containing 25 mg of carbidopa and 100 mg of levodopa. Carbidopa and Levodopa tablets, USP 25 mg/250 mg, containing 25 mg of carbidopa and 250 mg of levodopa. Inactive ingredients are hydroxypropyl cellulose, pregelatinized starch, crospovidone, microcrystalline cellulose, and magnesium stearate. Carbidopa and levodopa tablets, USP 10 mg/100 mg and 25 mg/250 mg also contain FD&C Blue #2. Carbidopa and levodopa tablets, USP 25 mg/100 mg also contain D&C Yellow #10. Carbidopa Chemical Structure Levodopa Chemical Structure

Carbidopa and levodopa tablets, USP are a combination of carbidopa and levodopa for the treatment of Parkinson's disease and syndrome. Carbidopa USP, an inhibitor of aromatic amino acid decarboxylation, is a white to creamy white powder, freely soluble in 3N hydrochloric acid, slightly soluble in water and methanol, practically insoluble in alcohol, acetone, ether and chloroform, with a molecular weight of 244.3. It is designated chemically as (—)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O, and its structural formula is: Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.3. Levodopa USP, an aromatic amino acid, is a white to off-white, crystalline powder, slightly soluble in water, freely soluble in 3N hydrochloric acid, insoluble in alcohol, with a molecular weight of 197.2. It is designated chemically as (—)-L-α-amino-β-(3,4-dihydroxybenzene) propanoic acid. Its molecular formula is C 9 H 11 NO 4 , and its structural formula is: Carbidopa and levodopa is supplied as tablets for oral administration in three strengths: Carbidopa and levodopa tablets USP, 25 mg/100 mg containing 25 mg of carbidopa USP and 100 mg of levodopa USP. Carbidopa and levodopa tablets USP, 10 mg/100 mg containing 10 mg of carbidopa USP and 100 mg of levodopa USP. Carbidopa and levodopa tablets USP, 25 mg/250 mg containing 25 mg of carbidopa USP and 250 mg of levodopa USP. Inactive ingredients are crospovidone, hydroxypropyl cellulose, magnesium stearate, microcrystalline cellulose, and pregelatinized starch (maize). Carbidopa and levodopa tablets USP, 10 mg/100 mg and 25 mg/250 mg also contain FD&C Blue No.2 Aluminum Lake. Carbidopa and levodopa tablets USP, 25 mg/100 mg also contain D&C Yellow No.10. FDA approved dissolution test specifications differ from USP. chemical structure 1 chemical structure 2

Carbidopa and levodopa extended-release tablets, USP are an extended-release combination of carbidopa and levodopa for the treatment of Parkinson’s disease and syndrome. Carbidopa, USP , an inhibitor of aromatic amino acid decarboxylation, is a white to creamy white, odorless or practically odorless powder, freely soluble in 3N hydrochloric acid, slightly soluble in water and in methanol, practically insoluble in alcohol, in acetone, in chloroform and in ether, with a molecular weight of 244.24. It is designated chemically as (-)-L-α­hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its empirical formula is C 10 H 14 N 2 O 4 •H 2 O, and its structural formula is: Tablet content is expressed in terms of anhydrous carbidopa, which has a molecular weight of 226.24. Levodopa, USP, an aromatic amino acid, is a white to off-white, odorless , crystalline powder, slightly soluble in water, freely soluble in 3N hydrochloric acid and insoluble in alcohol with a molecular weight of 197.19. It is designated chemically as (-)-L-α-amino-β-(3,4-dihydroxybenzene) propanoic acid. Its empirical formula is C 9 H 11 NO 4 , and its structural formula is: Carbidopa and levodopa extended-release tablets, USP are supplied as extended-release tablets containing either 25 mg of carbidopa and 100 mg of levodopa, or 50 mg of carbidopa and 200 mg of levodopa. Inactive ingredients are hydroxypropyl cellulose, magnesium stearate, and hypromellose. Carbidopa and levodopa extended-release tablets USP, 25 mg/100 mg and carbidopa and levodopa extended-release tablets USP, 50 mg/200 mg also contain FD&C Blue #2 Aluminium Lake and FD&C Red #40 Aluminium Lake. The 25 mg/100 mg tablet is supplied as an oval shaped mottled tablet that is dappled-purple in color and is debossed with “L519” on one side and plain on the other. The 50 mg/200 mg tablet is supplied as an oval shaped mottled tablet that is dappled-purple in color and is debossed with “L520” on one side and plain on the other. Carbidopa and levodopa extended-release tablets, USP are polymeric-based drug delivery system that controls the release of carbidopa and levodopa as it slowly erodes. Carbidopa and levodopa extended-release tablet 25 mg/100 mg is available to facilitate titration when 100 mg steps are required. FDA approved dissolution specifications differs from the USP dissolution specifications. Structure-Carbidopa Structure-Levodopa

Carbidopa and levodopa extended-release tablets, USP are an extended-release combination of carbidopa and levodopa for the treatment of Parkinson's disease and syndrome. Carbidopa, USP an inhibitor of aromatic amino acid decarboxylation, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 244.24. It is designated chemically as (-)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O, and its structural formula is: Tablet content is expressed in terms of anhydrous carbidopa, which has a molecular weight of 226.23. Levodopa, USP an aromatic amino acid, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 197.19. It is designated chemically as (-)-L-α-amino-β-(3,4-dihydroxybenzene) propanoic acid. Its molecular formula is C 9 H 11 NO 4 , and its structural formula is: Carbidopa and levodopa extended-release tablets, USP are supplied as extended-release tablets containing either 25 mg of carbidopa and 100 mg of levodopa, or 50 mg of carbidopa and 200 mg of levodopa. Inactive ingredients are hydroxypropyl cellulose, magnesium stearate, hypromellose and also contain FD&C Blue #2. The 25 mg/100 mg tablet is supplied as a light blue, mottled, oval, uncoated tablets debossed with 'SG' on one side and '460' on the other side. The 50 mg/200 mg tablet is supplied as a light blue, mottled, oval, uncoated tablets debossed with 'SG' on one side and '461' on the other side. Carbidopa and levodopa extended-release tablets, USP are polymeric-based drug delivery system that controls the release of carbidopa and levodopa as it slowly erodes. Carbidopa and levodopa extended-release tablet 25 mg/100 mg is available to facilitate titration when 100 mg steps are required. FDA approved dissolution test specifications differ from USP. Carbidopa Chemical Structure Levodopa Chemical Structure

Carbidopa and Levodopa tablet, USP is a combination of carbidopa and levodopa for the treatment of Parkinson’s disease and syndrome. Carbidopa, USP an inhibitor of aromatic amino acid decarboxylation, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 244.24. It is designated chemically as (-)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O, and its structural formula is: Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.23. Levodopa, USP an aromatic amino acid, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 197.19. It is designated chemically as (-)-L-α-amino-β-(3,4- dihydroxybenzene) propanoic acid. Its molecular formula is C 9 H 11 NO 4 , and its structural formula is: Carbidopa and Levodopa is supplied as tablets in three strengths: Carbidopa and Levodopa tablets, USP 10 mg/100 mg, containing 10 mg of carbidopa and 100 mg of levodopa. Carbidopa and Levodopa tablets, USP 25 mg/100 mg, containing 25 mg of carbidopa and 100 mg of levodopa. Carbidopa and Levodopa tablets, USP 25 mg/250 mg, containing 25 mg of carbidopa and 250 mg of levodopa. Inactive ingredients are hydroxypropyl cellulose, pregelatinized starch, crospovidone, microcrystalline cellulose, and magnesium stearate. Carbidopa and levodopa tablets, USP 10 mg/100 mg and 25 mg/250 mg also contain FD&C Blue #2. Carbidopa and levodopa tablets, USP 25 mg/100 mg also contain D&C Yellow #10. Carbidopa Chemical Structure Levodopa Chemical Structure

Carbidopa and levodopa extended-release tablets, USP are an extended-release combination of carbidopa and levodopa for the treatment of Parkinson’s disease and syndrome. Carbidopa, USP, an inhibitor of aromatic amino acid decarboxylation, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 244.25. It is designated chemically as (-)-L-α-Hydrazino-3,4-dihydroxy-α-methylhydrocinnamic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O and its structural formula is: Tablet content is expressed in terms of anhydrous carbidopa, which has a molecular weight of 226.23. Levodopa, USP, an aromatic amino acid, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 197.19. It is designated chemically as (-)-3-(3,4-Dihydroxyphenyl)-L-alanine. Its molecular formula is C 9 H 11 NO 4 and its structural formula is: Each extended-release tablet, for oral administration, contains either 25 mg of carbidopa and 100 mg of levodopa or 50 mg of carbidopa and 200 mg of levodopa. In addition, each tablet contains the following inactive ingredients: FD&C Blue No. 2 Aluminum Lake, FD&C Red No. 40 Aluminum Lake, hydroxypropyl cellulose, hypromellose, and magnesium stearate. The 25 mg/100 mg tablets are purple, oval, unscored tablets debossed with MYLAN on one side of the tablet and 88 on the other side of the tablet. The 50 mg/200 mg tablets are purple, oval, scored tablets debossed with MYLAN on one side of the tablet and 9 to the left of the score and 4 to the right of the score on the other side of the tablet. Carbidopa and levodopa extended-release tablets are designed in a drug delivery system that controls the release of carbidopa and levodopa as the tablets slowly erode. The 25 mg/100 mg carbidopa and levodopa extended-release tablet is available to facilitate titration and as an alternative to the half-tablet of 50 mg/200 mg carbidopa and levodopa extended-release. FDA approved dissolution test specifications differ from USP. Carbidopa Structural Formula Levodopa Structural Formula

Carbidopa and levodopa extended-release tablets, USP are an extended-release combination of carbidopa and levodopa for the treatment of Parkinson’s disease and syndrome. Carbidopa, USP , an inhibitor of aromatic amino acid decarboxylation, is a white to creamy white, odorless or practically odorless powder, freely soluble in 3N hydrochloric acid, slightly soluble in water and in methanol, practically insoluble in alcohol, in acetone, in chloroform and in ether, with a molecular weight of 244.24. It is designated chemically as (-)-L-α­hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its empirical formula is C 10 H 14 N 2 O 4 •H 2 O, and its structural formula is: Tablet content is expressed in terms of anhydrous carbidopa, which has a molecular weight of 226.24. Levodopa, USP, an aromatic amino acid, is a white to off-white, odorless , crystalline powder, slightly soluble in water, freely soluble in 3N hydrochloric acid and insoluble in alcohol with a molecular weight of 197.19. It is designated chemically as (-)-L-α-amino-β-(3,4-dihydroxybenzene) propanoic acid. Its empirical formula is C 9 H 11 NO 4 , and its structural formula is: Carbidopa and levodopa extended-release tablets, USP are supplied as extended-release tablets containing either 25 mg of carbidopa and 100 mg of levodopa, or 50 mg of carbidopa and 200 mg of levodopa. Inactive ingredients are hydroxypropyl cellulose, magnesium stearate, and hypromellose. Carbidopa and levodopa extended-release tablets USP, 25 mg/100 mg and carbidopa and levodopa extended-release tablets USP, 50 mg/200 mg also contain FD&C Blue #2 Aluminium Lake and FD&C Red #40 Aluminium Lake. The 25 mg/100 mg tablet is supplied as an oval shaped mottled tablet that is dappled-purple in color and is debossed with “L519” on one side and plain on the other. The 50 mg/200 mg tablet is supplied as an oval shaped mottled tablet that is dappled-purple in color and is debossed with “L520” on one side and plain on the other. Carbidopa and levodopa extended-release tablets, USP are polymeric-based drug delivery system that controls the release of carbidopa and levodopa as it slowly erodes. Carbidopa and levodopa extended-release tablet 25 mg/100 mg is available to facilitate titration when 100 mg steps are required. FDA approved dissolution specifications differs from the USP dissolution specifications. Structure-Carbidopa Structure-Levodopa

Carbidopa and levodopa extended-release tablets, USP are an extended-release combination of carbidopa and levodopa for the treatment of Parkinson's disease and syndrome. Carbidopa, USP an inhibitor of aromatic amino acid decarboxylation, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 244.24. It is designated chemically as (-)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O, and its structural formula is: Tablet content is expressed in terms of anhydrous carbidopa, which has a molecular weight of 226.23. Levodopa, USP an aromatic amino acid, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 197.19. It is designated chemically as (-)-L-α-amino-β-(3,4-dihydroxybenzene) propanoic acid. Its molecular formula is C 9 H 11 NO 4 , and its structural formula is: Carbidopa and levodopa extended-release tablets, USP are supplied as extended-release tablets containing either 25 mg of carbidopa and 100 mg of levodopa, or 50 mg of carbidopa and 200 mg of levodopa. Inactive ingredients are hydroxypropyl cellulose, magnesium stearate, hypromellose and also contain FD&C Blue #2. The 25 mg/100 mg tablet is supplied as a light blue, mottled, oval, uncoated tablets debossed with 'SG' on one side and '460' on the other side. The 50 mg/200 mg tablet is supplied as a light blue, mottled, oval, uncoated tablets debossed with 'SG' on one side and '461' on the other side. Carbidopa and levodopa extended-release tablets, USP are polymeric-based drug delivery system that controls the release of carbidopa and levodopa as it slowly erodes. Carbidopa and levodopa extended-release tablet 25 mg/100 mg is available to facilitate titration when 100 mg steps are required. FDA approved dissolution test specifications differ from USP. Carbidopa Chemical Structure Levodopa Chemical Structure

Carbidopa and levodopa orally disintegrating tablet, USP is a combination of carbidopa and levodopa for the treatment of Parkinson’s disease and syndrome. Carbidopa and levodopa orally disintegrating tablet is an orally administered formulation of carbidopa and levodopa which rapidly disintegrates on the tongue and does not require water to aid dissolution or swallowing. Carbidopa USP, an inhibitor of aromatic amino acid decarboxylation, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 244.24. It is designated chemically as (-)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 . H 2 O, and its structural formula is: Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.23. Levodopa USP, an aromatic amino acid, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 197.2. It is designated chemically as (—)-L-α-amino-β-(3,4-dihydroxybenzene) propanoic acid. Its molecular formula is C 9 H 11 NO 4 , and its structural formula is: Carbidopa and levodopa orally disintegrating tablets, USP are supplied as tablets in three strengths: Carbidopa and levodopa orally disintegrating tablets 25 mg/100 mg, containing 25 mg of carbidopa and 100 mg of levodopa. Carbidopa and levodopa orally disintegrating tablets 10 mg/100 mg, containing 10 mg of carbidopa and 100 mg of levodopa. Carbidopa and levodopa orally disintegrating tablets 25 mg/250 mg, containing 25 mg of carbidopa and 250 mg of levodopa. Inactive ingredients are povidone, mannitol, calcium silicate, crospovidone, talc, magnesium stearate, aspartame, tutti-frutti flavor, colloidal silicon dioxide, microcrystalline cellulose. Carbidopa and levodopa orally disintegrating tablets 10 mg/100 mg and 25 mg/250 mg also contain FD&C blue #2 (aluminum lake). Carbidopa and levodopa orally disintegrating tablets 25 mg/100 mg also contain D&C Yellow 10 Aluminum Lake and FD & C Yellow 6 Lake. Meets USP dissolution test 2. cdld-odt-carbidopa-structure cdld-odt-levodopa-structure

Carbidopa and levodopa tablets, USP are a combination product for the treatment of Parkinson's disease and syndrome. Carbidopa, USP an inhibitor of aromatic amino acid decarboxylation, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 244.24. It is designated chemically as (-)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O, and its structural formula is: Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.23. Levodopa, USP an aromatic amino acid, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 197.19. It is designated chemically as (-)-L-α-amino-β-(3,4-dihydroxybenzene) propanoic acid. Its molecular formula is C 9 H 11 NO 4 , and its structural formula is: Carbidopa and Levodopa Tablets, USP for oral administration, are supplied in three strengths: 10 mg/100 mg, containing 10 mg of carbidopa, USP and 100 mg of levodopa, USP. 25 mg/100 mg, containing 25 mg of carbidopa, USP and 100 mg of levodopa, USP. 25 mg/250 mg, containing 25 mg of carbidopa, USP and 250 mg of levodopa, USP. In addition, each tablet contains the following inactive ingredients: corn starch, magnesium stearate, microcrystalline cellulose, pregelatinized starch (maize). In addition, the 25 mg/100 mg strength contain D&C yellow #10 aluminum lake and FD&C yellow #6 aluminum lake (sunset yellow lake). The 10 mg/100 mg and 25 mg/250 mg strengths contain FD&C blue #2 aluminum lake. 67944b5f-figure-01 67944b5f-figure-02

Carbidopa and levodopa tablet, USP is a combination of carbidopa and levodopa for the treatment of Parkinson’s disease and syndrome. Carbidopa USP, an inhibitor of aromatic amino acid decarboxylation, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 244.24. It is designated chemically as (-)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O and its structural formula is: Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.23. Levodopa USP, an aromatic amino acid, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 197.2. It is designated chemically as (-)-L-α-amino-β-(3,4-dihydroxybenzene) propanoic acid. Its molecular formula is C 9 H 11 NO 4 and its structural formula is: Carbidopa and levodopa is supplied as tablets in three strengths: Carbidopa and levodopa tablets, USP, 25 mg/100 mg, containing 25 mg of carbidopa and 100 mg of levodopa. Carbidopa and levodopa tablets, USP, 10 mg/100 mg, containing 10 mg of carbidopa and 100 mg of levodopa. Carbidopa and levodopa tablets, USP, 25 mg/250 mg, containing 25 mg of carbidopa and 250 mg of levodopa. Inactive ingredients are microcrystalline cellulose, corn starch, pregelatinized maize starch, sodium starch glycolate, magnesium stearate. Carbidopa and levodopa tablets, USP 10 mg/100 mg and 25 mg/250 mg also contain FD&C Blue 2. Carbidopa and levodopa tablets, USP 25 mg/100 mg also contain D&C Yellow 10 and FD&C Yellow 6. FDA approved dissolution method differs from that of the USP. cdld-structure-carbidopa cdld-structure-levodopa

HOMEOPATHIC INDICATIONS: For temporary relief of symptoms of gastro and intestinal distress such as low energy and fatigue.

Uses temporarily relieves symptoms due to hay fever or other upper respiratory allergies such as: sinus pressure itchy, runny nose sneezing itchy, watery eyes nasal congestion

HOMEOPATHIC INDICATIONS: Temporary relief of symptoms related to energy weakness in the endocrine systems such as fatigue, chronic malaise and anxiety.** **These statements are based upon traditional homeopathic principles. They have not been reviewed by the Food and Drug Administration.

HOMEOPATHIC INDICATIONS: For the temporary relief of symptoms of mold toxicity and illness including coughing, wheezing, burning in throat, headache, fatigue, and joint pain.** **These statements are based upon traditional homeopathic principles. They have not been reviewed by the Food and Drug Administration.

INDICATIONS: For temporary relief of exhaustion, vomiting, prostration, and metallic taste.

INDICATIONS: For temporary relief of symptoms due to painful chronically enlarged lymph glands; exhaustion and emaciation, chronic intermittent fever with chills.

HOMEOPATHIC INDICATIONS: For temporary relief of symptoms related to tyramine sensitivity including food cravings, muscle spasms, headache, excessive sweating, fatigue, nervousness, and agitation.** **These statements are based upon homeopathic principles. They have not been reviewed by the Food and Drug Administration.

HOMEOPATHIC INDICATIONS: For temporary relief of symptoms related to amoeba infestation including consequent weakness and fever, and stomach cramps.** **These statements are based upon traditional homeopathic principles. They have not been reviewed by the Food and Drug Administration.

INDICATIONS: For the temporary relief of symptoms of allergies to calcium in foods and supplements, including cramping of muscles, fatigue, and musculoskeletal weakness.

INDICATIONS: For temporary relief of skin rash, childhood illness, headache, weight loss, mental and physical fatigue, fever, cough, flu-like symptoms, heart palpitations, virus, pain, swelling, stiffness of limbs.

HOMEOPATHIC INDICATIONS: For the temporary relief of symptoms that may be caused by viruses such as influenza or RSV infection including high fever, chills, headache, fatigue, cough, sore throat, runny and/or stuffy nose, congestion, body aches, vomiting, and occasional diarrhea.** **These statements are based upon homeopathic principles. They have not been reviewed by the Food and Drug Administration.

INDICATIONS: For temporary relief of allergies due to dust.

INDICATIONS: For temporary relief of symptoms due to painful chronically enlarged lymph glands; exhaustion and emaciation, chronic intermittent fever with chills.

INDICATIONS: For temporary relief of allergies due to grain and seeds.

HOMEOPATHIC INDICATIONS: For temporary relief of symptoms related to asthma including coughing and wheezing.** **These statements are based upon traditional homeopathic principles. They have not been reviewed by the Food and Drug Administration.

Uses:* According to homeopathic indications, these ingredients provide temporary relief for symptoms such as: • Pressure • Throbbing • Light and noise sensitivity after diagnosis by a physician. *These statements are based upon traditional homeopathic practice. They have not been reviewed by the Food and Drug Administration.

INDICATIONS: For temporary relief of gastrointestinal dyspepsia (indigestion) with flatulence, bloating and intolerance of certain foods. Remedy #1 supports detoxification and cellular repair.

HOMEOPATHIC INDICATIONS: For temporary relief of symptoms caused by sensitivities to perfumes, flavors, dyes, plastics, alcohol or foods including sneezing and headaches.** **These statements are based upon traditional homeopathic principles. They have not been reviewed by the Food and Drug Administration.

Uses For pain relief and accelerated healing of all blistering outbreaks around mouth and on lips/genitals.

INDICATIONS: For the temporary relief of muscular pain, joint pain, sports injuries and bruising.