Drugs Similar to DONNATAL

Donnatal ® Elixir - Grape Each 5 mL (teaspoonful) of elixir (alcohol not more than 23.8%) contains: Phenobarbital, USP.............................................16.2 mg Hyoscyamine Sulfate, USP...............................0.1037 mg Atropine Sulfate, USP.......................................0.0194 mg Scopolamine Hydrobromide, USP....................0.0065 mg Inactive Ingredients Purified Water, Glycerin, Sorbitol, Ethyl Alcohol, Sucrose, Saccharin Sodium, Artificial and Natural Grape Flavor, FD&C Red #3, and FD&C Blue #1.

Donnatal® Tablets Each Donnatal® Tablet contains: Phenobarbital, USP..................................... 16.2 mg Hyoscyamine Sulfate, USP...................... 0.1037 mg Atropine Sulfate, USP .............................0.0194 mg Scopolamine Hydrobromide, USP ...........0.0065 mg

Donnatal ® Elixir - Grape Each 5 mL (teaspoonful) of elixir (alcohol not more than 23.8%) contains: Phenobarbital, USP.............................................16.2 mg Hyoscyamine Sulfate, USP...............................0.1037 mg Atropine Sulfate, USP.......................................0.0194 mg Scopolamine Hydrobromide, USP....................0.0065 mg Inactive Ingredients Purified Water, Glycerin, Sorbitol, Ethyl Alcohol, Sucrose, Saccharin Sodium, Artificial and Natural Grape Flavor, FD&C Red #3, and FD&C Blue #1.

Donnatal® Tablets Each Donnatal® Tablet contains: Phenobarbital, USP..................................... 16.2 mg Hyoscyamine Sulfate, USP...................... 0.1037 mg Atropine Sulfate, USP .............................0.0194 mg Scopolamine Hydrobromide, USP ...........0.0065 mg

Phenobarbital, Hyoscyamine Sulfate, Atropine Sulfate, Scopolamine Hydrobromide Elixir - Grape Each 5 mL (teaspoonful) of elixir (alcohol not more than 23.8%) contains: Phenobarbital, USP................................. 16.2 mg Hyoscyamine Sulfate, USP................ 0.1037 mg Atropine Sulfate, USP......................... 0.0194 mg Scopolamine Hydrobromide, USP.... 0.0065 mg Inactive Ingredients Purified Water, Glycerin, Sorbitol, Ethyl Alcohol, Sucrose, Saccharin Sodium, Artificial and Natural Grape Flavor, FD&C Red #3, and FD&C Blue #1. Phenobarbital, Hyoscyamine Sulfate, Atropine Sulfate, Scopolamine Hydrobromide Elixir – Mint Each 5 mL (teaspoonful) of elixir (alcohol not more than 23.8%) contains: Phenobarbital, USP................................. 16.2 mg Hyoscyamine Sulfate, USP................ 0.1037 mg Atropine Sulfate, USP......................... 0.0194 mg Scopolamine Hydrobromide, USP.... 0.0065 mg Inactive Ingredients Purified Water, Glycerin, Sorbitol, Ethyl Alcohol, Sucrose, Saccharin Sodium, Natural Mint Flavor, FD&C Yellow #5, and FD&C Blue #1.

Each Phenohytro™ Tablet contains: Phenobarbital, USP..................................... 16.2 mg Hyoscyamine Sulfate, USP...................... 0.1037 mg Atropine Sulfate, USP .............................0.0194 mg Scopolamine Hydrobromide, USP ...........0.0065 mg Inactive Ingredients: Anhydrous Lactose, Calcium Stearate, Colloidal Silicon Dioxide, Corn Starch, and Microcrystalline Cellulose.

Uses: For temporary relief of minor: • menstrual irregularity* • headache* • fatigue* • menstrual cramps* • backache during menstruation* • irritability* *Claims based on traditional homeopathic practice, not accepted medical evidence. Not FDA evaluated.

INDICATIONS For the temporary relief of lethargy, lack of energy, sadness, anxiousness, or decreased ability to handle stress.*

INDICATIONS: Provides specific sarcode support for the adrenal glands.† †Claims based on traditional homeopathic practice, not accepted medical evidence. Not FDA evaluated.

Atropine sulfate ophthalmic solution, USP 1% is a sterile topical anticholinergic for ophthalmic use. The active ingredient is represented by the chemical structure Chemical Name: Benzeneacetic acid, α-(hydroxymethyl)-, 8-methyl-8-azabicyclo[3.2.1.]oct-3-yl ester, endo –(±)-, sulfate (2:1) (salt), monohydrate. Molecular Formula: (C 17 H 23 NO 3 ) 2 •H 2 SO 4 •H 2 O Molecular Weight: 694.84 g/mol Atropine sulfate appears as white or almost white, crystalline powder, or colorless crystals. It is very soluble in water and freely soluble in ethanol (96%). Atropine sulfate ophthalmic solution, USP 1% is a clear, colorless, slightly viscous solution. Each mL of Atropine Sulfate Ophthalmic Solution, USP 1% contains: Active : atropine sulfate 10 mg equivalent to 8.3 mg of atropine. Inactives: benzalkonium chloride 0.1 mg (0.01%), edetate disodium dihydrate, hypromellose (methocel E4M premium), sodium phosphate dibasic heptahydrate, sodium phosphate monobasic monohydrate, hydrochloric acid and/or sodium hydroxide may be added to adjust pH (3.5 to 6.0), and water for injection USP. Chemical Structure

Atropine Sulfate Ophthalmic Solution USP, 1% contains atropine, an anticholinergic, in a sterile colorless, clear solution for topical ophthalmic use. The active ingredient is represented by the chemical structure: Chemical Name: Benzeneacetic acid, α-(hydroxymethyl)-, 8-methyl-8-azabicyclo-[3.2.1]oct-3-yl ester, endo –(±), sulfate (2:1) (salt), monohydrate. Molecular Formula: (C 17 H 23 NO 3 ) 2 • H 2 SO 4 • H 2 O Molecular Weight: 694.83 g/mol Each mL of atropine sulfate ophthalmic solution USP, 1% contains: Active: atropine sulfate, USP 10 mg equivalent to 8.3 mg of atropine. Inactives: benzalkonium chloride 0.1 mg (0.01%), dibasic sodium phosphate, edetate disodium, hypromellose (2910), monobasic sodium phosphate, hydrochloric acid and/or sodium hydroxide may be added to adjust pH (3.5 to 6.0) and water for injection USP. ab

Atropine sulfate ophthalmic solution, 1% contains atropine an anticholinergic, in a sterile colorless, clear solution for topical ophthalmic use. The active ingredient is represented by the chemical structure Chemical Name: Benzeneacetic acid, α-(hydroxymethyl)-, 8-methyl-8-azabicyclo[3.2.1.]oct-3-yl ester, endo –(±)-, sulfate (2:1) (salt), monohydrate. Molecular Formula: (C 17 H 23 NO 3 ) 2 •H 2 SO 4 •H 2 O Molecular Weight: 694.84 g/mol Atropine sulfate appears as white or almost white, crystalline powder, or colorless crystals. It is very soluble in water and freely soluble in ethanol (96%). Atropine sulfate ophthalmic solution, USP 1% is a clear, colorless, slightly viscous solution. Each mL of Atropine Sulfate Ophthalmic Solution, USP 1% contains: Active : atropine sulfate 10 mg (equivalent to 8.3 mg of atropine). Inactives: benzalkonium chloride 0.1 mg (0.01%), edetate disodium dihydrate, hypromellose (methocel E4M premium), sodium phosphate dibasic heptahydrate, sodium phosphate monobasic monohydrate, hydrochloric acid and/or sodium hydroxide may be added to adjust pH (3.5 to 6.0), and water for injection USP. Chemical Structure

Atropine Sulfate Ophthalmic Solution USP, 1% is a sterile topical anticholinergic for ophthalmic use. The active ingredient is represented by the chemical structure. Chemical Name: Benzeneacetic acid, α-(hydroxymethyl)-, 8-methyl-8-azabicyclo-[3.2.1]oct-3-yl ester, endo –(±), sulfate (2:1) (salt), monohydrate. Molecular Formula: (C 17 H 23 NO 3 ) 2 • H 2 SO 4 • H 2 O Molecular Weight: 694.83 g/mol Each mL of atropine sulfate ophthalmic solution USP, 1% contains: Active: atropine sulfate, USP 10 mg equivalent to 8.3 mg of atropine. Inactives: benzalkonium chloride 0.1 mg (0.01%), dibasic sodium phosphate, edetate disodium, hypromellose (2910), monobasic sodium phosphate, hydrochloric acid and/or sodium hydroxide may be added to adjust pH (3.5 to 6.0) and water for injection USP. ab

Atropine sulfate ophthalmic solution, 1% contains atropine an anticholinergic, in a sterile colorless, clear solution for topical ophthalmic use. The active ingredient is represented by the chemical structure Chemical Name: Benzeneacetic acid, α-(hydroxymethyl)-, 8-methyl-8-azabicyclo[3.2.1.]oct-3-yl ester, endo –(±)-, sulfate (2:1) (salt), monohydrate. Molecular Formula: (C 17 H 23 NO 3 ) 2 •H 2 SO 4 •H 2 O Molecular Weight: 694.84 g/mol Atropine sulfate appears as white or almost white, crystalline powder, or colorless crystals. It is very soluble in water and freely soluble in ethanol (96%). Atropine sulfate ophthalmic solution, USP 1% is a clear, colorless, slightly viscous solution. Each mL of Atropine Sulfate Ophthalmic Solution, USP 1% contains: Active : atropine sulfate 10 mg (equivalent to 8.3 mg of atropine). Inactives: benzalkonium chloride 0.1 mg (0.01%), edetate disodium dihydrate, hypromellose (methocel E4M premium), sodium phosphate dibasic heptahydrate, sodium phosphate monobasic monohydrate, hydrochloric acid and/or sodium hydroxide may be added to adjust pH (3.5 to 6.0), and water for injection USP. Chemical Structure

Atropine Sulfate Injection, USP is a sterile, nonpyrogenic, isotonic, clear solution of atropine sulfate in water for injection with sodium chloride sufficient to render the solution isotonic. It is administered parenterally by subcutaneous, intramuscular or intravenous injection. Each mL contains atropine sulfate, 0.4 mg (equivalent to 0.33 mg atropine); benzyl alcohol, 9 mg; sodium chloride 9 mg. May contain sulfuric acid for pH adjustment. pH 3.2 (3.0 to 3.8). Sodium chloride added to render the solution isotonic for injection of the active ingredient is present in amounts insufficient to affect serum electrolyte balance of sodium (Na + ) and chloride (Cl - ) ions. Atropine Sulfate, USP is chemically designated lα H, 5α H-Tropan-3-α-ol (±)-tropate (ester), sulfate (2:1) (salt) monohydrate, (C 17 H 23 NO 3 ) 2 · H 2 SO 4 · H 2 O, colorless crystals or white crystalline powder very soluble in water. It has the following structural formula: Atropine, a naturally occurring belladonna alkaloid, is a racemic mixture of equal parts of d- and 1-hyocyamine, whose activity is due almost entirely to the levo isomer of the drug. Sodium Chloride, USP is chemically designated NaCl, a white crystalline powder freely soluble in water. structure

Atropine sulfate ophthalmic solution, USP 1% is a sterile topical anticholinergic for ophthalmic use. The active ingredient is represented by the chemical structure: Chemical Name : Benzeneacetic acid, α-(hydroxymethyl)-, 8-methyl-8-azabicyclo[3.2.1.]oct-3-yl ester, endo –(±)-, sulfate (2:1) (salt), monohydrate. Molecular Formula: (C 17 H 23 NO 3 ) 2 • H 2 SO 4 • H 2 O Molecular Weight: 694.83 g/mol Each mL Contains: Active: Atropine sulfate, 10 mg (1%) equivalent to 8.3 mg of atropine. Inactives: benzalkonium chloride 0.1 mg (0.01%), dibasic sodium phosphate heptahydrate, edetate disodium dihydrate, hypromellose (2910), monobasic sodium phosphate monohydrate, hydrochloric acid and/or sodium hydroxide may be added to adjust pH (3.5 to 6. 0), and water for injection USP. Image

Atropine Sulfate Injection, USP is a sterile, nonpyrogenic isotonic solution of atropine sulfate monohydrate in water for injection with sodium chloride sufficient to render the solution isotonic. It is administered parenterally by subcutaneous, intramuscular or intravenous injection. Each milliliter (mL) contains 0.1 mg (adult strength) or 0.05 mg (pediatric strength) of atropine sulfate monohydrate equivalent to 0.083 mg (adult strength) or 0.042 mg (pediatric strength) of atropine, and sodium chloride, 9 mg. May contain sodium hydroxide and/or sulfuric acid for pH adjustment 0.308 mOsmol/mL (calc.). pH (3.0 to 6.5). Sodium chloride added to render the solution isotonic for injection of the active ingredient is present in amounts insufficient to affect serum electrolyte balance of sodium (Na+) and chloride (Cl-) ions. The solution contains no bacteriostat, antimicrobial agent or added buffer (except for pH adjustment) and is intended for use only as a single-dose injection. When smaller doses are required the unused portion should be discarded. Atropine Sulfate, USP is chemically designated 1α H, 5α H-Tropan-3-α-ol (±)-tropate (ester), sulfate (2:1) (salt) monohydrate, (C17H23NO3)2 ∙ H2SO4 ∙ H2O, colorless crystals or white crystalline powder very soluble in water. It has the following structural formula: Atropine, a naturally occurring belladonna alkaloid, is a racemic mixture of equal parts of d- and 1-hyocyamine, whose activity is due almost entirely to the levo isomer of the drug. Sodium Chloride, USP is chemically designated NaCl, a white crystalline powder freely soluble in water. The syringe is molded from a specially formulated polypropylene. Water permeates from inside the container at an extremely slow rate which will have an insignificant effect on solution concentration over the expected shelf life. Solutions in contact with the plastic container may leach out certain chemical components from the plastic in very small amounts; however, biological testing was supportive of the safety of the syringe material. STRUCTURE

Atropine Sulfate Injection, USP is a sterile, nonpyrogenic isotonic solution of atropine sulfate monohydrate in water for injection with sodium chloride sufficient to render the solution isotonic. It is administered parenterally by intravenous injection. Each milliliter (mL) contains 0.1 mg (adult strength) or 0.05 mg (pediatric strength) of atropine sulfate monohydrate equivalent to 0.083 mg (adult strength) or 0.042 mg (pediatric strength) of atropine, and sodium chloride, 9 mg. May contain sodium hydroxide and/or sulfuric acid for pH adjustment 0.308 mOsmol/mL (calc.). pH 3.0 to 6.5. Sodium chloride added to render the solution isotonic for injection of the active ingredient is present in amounts insufficient to affect serum electrolyte balance of sodium (Na+ ) and chloride (Cl- ) ions. The solution contains no bacteriostat, antimicrobial agent or added buffer (except for pH adjustment) and is intended for use only as a single-dose injection. When smaller doses are required the unused portion should be discarded. Atropine Sulfate, USP is chemically designated 1α H, 5α H-Tropan-3-α-ol (±)-tropate (ester), sulfate (2:1) (salt) monohydrate, (C 17 H 23 NO 3 ) 2 H 2 SO 4 H 2 O, colorless crystals or white crystalline powder very soluble in water. It has the following structural formula: Atropine, a naturally occurring belladonna alkaloid, is a racemic mixture of equal parts of d- and 1-hyocyamine, whose activity is due almost entirely to the levo isomer of the drug. Sodium Chloride, USP is chemically designated NaCl, a white crystalline powder freely soluble in water. The Ansyr® syringe is molded from a specially formulated polypropylene. Water permeates from inside the container at an extremely slow rate which will have an insignificant effect on solution concentration over the expected shelf life. Solutions in contact with the plastic container may leach out certain chemical components from the plastic in very small amounts; however, biological testing was supportive of the safety of the syringe material Formula1.jpg

Atropine Sulfate Injection, USP is a sterile, nonpyrogenic isotonic solution of atropine sulfate monohydrate in water for injection with sodium chloride sufficient to render the solution isotonic. It is administered parenterally by intravenous injection. Each milliliter (mL) contains 0.4 mg or 1 mg of atropine sulfate monohydrate equivalent to 0.332 mg or 0.83 mg of atropine, and sodium chloride, 9 mg. May contain sodium hydroxide and/or sulfuric acid for pH adjustment. 0.308 mOsmol/mL (calc.). pH 3.0 to 5.0. The solution contains no bacteriostat, antimicrobial agent or added buffer (except for pH adjustment) and is intended for use only as a single-dose injection. When smaller doses are required the unused portion should be discarded. Atropine Sulfate, USP is chemically designated 1α H, 5α H-Tropan-3-α-ol (±)-tropate (ester), sulfate (2:1) (salt) monohydrate, (C 17 H 23 NO 3 ) 2 H 2 SO 4 H 2 O, colorless crystals or white crystalline powder very soluble in water. It has the following structural formula: Atropine, a naturally occurring belladonna alkaloid, is a racemic mixture of equal parts of d- and 1-hyocyamine, whose activity is due almost entirely to the levo isomer of the drug. Formula1.jpg

Atropine Sulfate Injection, USP is a sterile, nonpyrogenic isotonic solution of atropine sulfate monohydrate in water for injection with sodium chloride sufficient to render the solution isotonic. It is administered parenterally by intravenous injection. Each milliliter (mL) contains 0.4 mg or 1 mg of atropine sulfate monohydrate equivalent to 0.332 mg or 0.83 mg of atropine, and sodium chloride, 9 mg. May contain sodium hydroxide and/or sulfuric acid for pH adjustment. 0.308 mOsmol/mL (calc.). pH 3.0 to 5.0. The solution contains no bacteriostat, antimicrobial agent or added buffer (except for pH adjustment) and is intended for use only as a single-dose injection. When smaller doses are required the unused portion should be discarded. Atropine Sulfate, USP is chemically designated 1α H, 5α H-Tropan-3-α-ol (±)-tropate (ester), sulfate (2:1) (salt) monohydrate, (C 17 H 23 NO 3 ) 2 H 2 SO 4 H 2 O, colorless crystals or white crystalline powder very soluble in water. It has the following structural formula: Atropine, a naturally occurring belladonna alkaloid, is a racemic mixture of equal parts of d-and 1-hyocyamine, whose activity is due almost entirely to the levo isomer of the drug. Atropine Structural Formula

Atropine Sulfate Injection, USP is a sterile, nonpyrogenic, isotonic, clear solution of atropine sulfate in water for injection with sodium chloride sufficient to render the solution isotonic. It is administered parenterally by subcutaneous, intramuscular or intravenous injection. Each mL contains atropine sulfate, 0.4 mg; benzyl alcohol, 9 mg; sodium chloride 9 mg. May contain sulfuric acid for pH adjustment. pH 3.5 (3.0 to 3.8). Sodium chloride added to render the solution isotonic for injection of the active ingredient is present in amounts insufficient to affect serum electrolyte balance of sodium (Na+) and chloride (Cl-) ions. Atropine Sulfate, USP is chemically designated lα H, 5α H-Tropan-3-α-ol (±)-tropate (ester), sulfate (2:1) (salt) monohydrate, (C 17 H 23 NO 3 ) 2 · H 2 SO 4 · H 2 O, colorless crystals or white crystalline powder very soluble in water. It has the following structural formula: Atropine, a naturally occurring belladonna alkaloid, is a racemic mixture of equal parts of d- and 1-hyocyamine, whose activity is due almost entirely to the levo isomer of the drug. Sodium Chloride, USP is chemically designated NaCl, a white crystalline powder freely soluble in water. Atropine Sulfate Structural Formula

Atropine Sulfate Injection, USP is a sterile, nonpyrogenic, isotonic, clear solution of atropine sulfate in water for injection with sodium chloride sufficient to render the solution isotonic. It is administered parenterally by subcutaneous, intramuscular or intravenous injection. Each mL contains atropine sulfate, 0.4 mg; benzyl alcohol, 9 mg; sodium chloride 9 mg. May contain sulfuric acid for pH adjustment. pH 3.5 (3.0 to 3.8). Sodium chloride added to render the solution isotonic for injection of the active ingredient is present in amounts insufficient to affect serum electrolyte balance of sodium (Na + ) and chloride (Cl - ) ions. Atropine Sulfate, USP is chemically designated lα H, 5α H-Tropan-3-α-ol (±)-tropate (ester), sulfate (2:1) (salt) monohydrate, (C 17 H 23 NO 3 ) 2 · H 2 SO 4 · H 2 O, colorless crystals or white crystalline powder very soluble in water. It has the following structural formula: Atropine, a naturally occurring belladonna alkaloid, is a racemic mixture of equal parts of d- and 1-hyocyamine, whose activity is due almost entirely to the levo isomer of the drug. Sodium Chloride, USP is chemically designated NaCl, a white crystalline powder freely soluble in water. structure

Atropine Sulfate Ophthalmic Solution, USP 1% is a sterile topical anticholinergic for ophthalmic use. The active ingredient is represented by the chemical structure Chemical Name: Benzeneacetic acid, α-(hydroxymethyl)-, 8-methyl-8-azabicyclo[3.2.1.]oct-3-yl ester, endo –(±)-, sulfate (2:1) (salt), monohydrate. Molecular Formula: (C 17 H 23 NO 3 ) 2 H 2 SO 4 H 2 O Molecular Weight: 694.84 g/mol Atropine sulfate, USP appears as colorless, almost white to white solid. It is very soluble in water and glacial acetic acid, freely soluble in ethanol (96%) and practically insoluble in diethyl ether. Each mL of Atropine Sulfate Ophthalmic Solution USP, 1% contains: Active : atropine sulfate, USP 10 mg equivalent to 8.3 mg of atropine. Inactives: benzalkonium chloride 0.1 mg (0.01%), dibasic sodium phosphate anhydrous, edetate disodium dihydrate, hypromellose (2910), monobasic sodium phosphate monohydrate, hydrochloric acid and/or sodium hydroxide may be added to adjust pH (3.5 to 6.0), and water for injection USP. structure

Atropine sulfate injection, USP is a sterile, nonpyrogenic isotonic solution of atropine sulfate monohydrate in water for injection with sodium chloride sufficient to render the solution isotonic. It is administered parenterally by intravenous injection. Each milliliter (mL) contains 0.1 mg (adult strength) of atropine sulfate monohydrate equivalent to 0.083 mg (adult strength) of atropine, and sodium chloride, 9 mg. May contain sodium hydroxide and/or sulfuric acid for pH adjustment. 0.308 mOsmol/mL (calc.). pH 3.0 to 6.5. Sodium chloride added to render the solution isotonic for injection of the active ingredient is present in amounts insufficient to affect serum electrolyte balance of sodium (Na + ) and chloride (Cl - ) ions. The solution contains no bacteriostat, antimicrobial agent or added buffer (except for pH adjustment) and is intended for use only as a single-dose injection. When smaller doses are required the unused portion should be discarded. Atropine sulfate, USP is chemically designated 1α H, 5α H-tropan-3-α-ol (±)-tropate (ester), sulfate (2:1) (salt) monohydrate, (C 17 H 23 NO 3 ) 2 H 2 SO 4 H 2 O, colorless, almost white to white solid. It is very soluble in water and glacial acetic acid, freely soluble in ethanol (96%) and practically insoluble in diethyl ether. It has the following structural formula: Atropine, a naturally occurring belladonna alkaloid, is a racemic mixture of equal parts of d- and 1-hyocyamine, whose activity is due almost entirely to the levo isomer of the drug. Sodium chloride, USP is chemically designated NaCl, a white crystalline powder freely soluble in water. chemical structure

Atropine Sulfate Injection, USP is a sterile, nonpyrogenic, isotonic, clear solution of atropine sulfate in water for injection with sodium chloride sufficient to render the solution isotonic. It is administered parenterally by subcutaneous, intramuscular or intravenous injection. Each mL contains atropine sulfate, 0.4 mg; benzyl alcohol, 9 mg; sodium chloride 9 mg. May contain sulfuric acid for pH adjustment. pH 3.5 (3.0 to 3.8). Sodium chloride added to render the solution isotonic for injection of the active ingredient is present in amounts insufficient to affect serum electrolyte balance of sodium (Na+) and chloride (Cl-) ions. Atropine Sulfate, USP is chemically designated lα H, 5α H-Tropan-3-α-ol (±)-tropate (ester), sulfate (2:1) (salt) monohydrate, (C17H23NO3)2 · H2SO4 · H2O, colorless crystals or white crystalline powder very soluble in water. It has the following structural formula: Atropine, a naturally occurring belladonna alkaloid, is a racemic mixture of equal parts of d- and 1-hyocyamine, whose activity is due almost entirely to the levo isomer of the drug. Sodium Chloride, USP is chemically designated NaCl, a white crystalline powder freely soluble in water. Formula1.jpg

Atropine Sulfate Injection, USP is a sterile, nonpyrogenic isotonic solution of atropine sulfate monohydrate in water for injection with sodium chloride sufficient to render the solution isotonic. It is administered parenterally by intravenous injection. Each milliliter (mL) contains 0.4 mg or 1 mg of atropine sulfate monohydrate equivalent to 0.332 mg or 0.83 mg of atropine, and sodium chloride, 9 mg. May contain sodium hydroxide and/or sulfuric acid for pH adjustment. 0.308 mOsmol/mL (calc.). pH (3.0 to 5.0). The solution contains no bacteriostat, antimicrobial agent or added buffer (except for pH adjustment) and is intended for use only as a single-dose injection. When smaller doses are required the unused portion should be discarded. Atropine Sulfate, USP is chemically designated 1α H, 5α H-Tropan-3-α-ol (±)-tropate (ester), sulfate (2:1) (salt) monohydrate, (C 17 H 23 NO 3 ) 2 ∙ H 2 SO 4 ∙ H 2 O, colorless crystals or white crystalline powder very soluble in water. It has the following structural formula: Atropine, a naturally occurring belladonna alkaloid, is a racemic mixture of equal parts of d- and 1-hyocyamine, whose activity is due almost entirely to the levo isomer of the drug. structural formula atropine sulfate