Zotex-C Syrup
Generic name: codeine phosphate, phenylephrine hydrochloride and pyrilamine maleate
Dosage form: syrup
Drug class:Upper respiratory combinations
Medically reviewed by Drugs.com. Last updated on Dec 22, 2021.
Disclaimer: This drug has not been found by FDA to be safe and effective, and this labeling has not been approved by FDA. For further information about unapproved drugs, click here.
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Zotex-C Syrup Description
Zotex™-C Syrup is an antitussive decongestant and antihistamine available for oral administration as a syrup.
Each 5 mL (1 teaspoonful) of red-colored, cherry-flavored syrup contains:
Codeine Phosphate (WARNING-May be habit forming) | 10 mg |
Phenylephrine Hydrochloride | 5 mg |
Pyrilamine Maleate | 5 mg |
Inactive Ingredients: Glycerin, Propylene Glycol, Sorbitol, Citric Acid, Sodium Citrate, Sodium Saccharin, FD&C Red #40, Cherry Flavor, Purified Water.
Codeine Phosphate is an alkaloid, obtained from opium or prepared from morphine by methylation. Codeine phosphate occurs as fine, white, needle-shaped crystals, or white crystalline powder. It is affected by light. Its chemical name is Morphinan-6-ol, 7,8-didehydroxy-4,5-epoxy-3-methoxy-17-methyl- ,(5α,6α)-, phosphate (1:1) (salt), hemihydrate.
Its structure is as follows:

C12H21NO3 • H3PO4 • ½H2O M.W. 406.37
Phenylephrin...