BENTYL is an antispasmodic and anticholinergic (antimuscarinic) agent available in the following forms:

1. BENTYL capsules for oral use contain 10 mg dicyclomine hydrochloride USP. BENTYL 10 mg capsules also contain inactive ingredients: calcium sulfate, corn starch, FD&C Blue No. 1, FD&C Red No. 40, gelatin, lactose, magnesium stearate, pregelatinized corn starch, and titanium dioxide.
2. BENTYL tablets for oral use contain 20 mg dicyclomine hydrochloride USP. BENTYL 20 mg tablets also contain inactive ingredients: acacia, dibasic calcium phosphate, corn starch, FD&C Blue No. 1, lactose, magnesium stearate, pregelatinized corn starch, and sucrose.
3. BENTYL syrup for oral use contains 10 mg dicyclomine hydrochloride USP in each 5 mL (1 teaspoonful). BENTYL syrup also contains inactive ingredients: citric acid, D&C Red No. 33, FD&C Blue No. 1, FD&C Red No. 40, FD&C Yellow No. 6, flavors, glucose, methylparaben, propylene glycol, propylparaben, saccharin sodium, and water.
4. BENTYL injection is a sterile, pyrogen-free, aqueous solution for intramuscular injection (NOT FOR INTRAVENOUS USE).

Ampule. 20 mg/2 mL (10 mg/mL) -Each mL contains 10 mg dicyclomine hydrochloride USP in sterile water for injection, made isotonic with sodium chloride.

Chemically, BENTYL (dicyclomine hydrochloride) is [bicyclohexyl]-1-carboxylic acid, 2-(diethylamino) ethyl ester, hydrochloride with the following chemical structure:

Dicyclomine hydrochloride occurs as a fine, white, crystalline, practically odorless powder with a bitter taste. It is soluble in water, freely soluble in alcohol and chloroform, and very slightly soluble in ether.

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