SPL Set ID: 48e0f2ec-b217-4c25-a71c-20e173d05edb

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