Trital SR
Generic name: acetaminophen, chlorpheniramine maleate, phenylephrine hydrochloride, and phenyltoloxamine citrate
Dosage form: tablet, extended release
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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Trital SR Description
Each extended release tablet for oral administration contains:
Acetaminophen | 325 mg |
Chlorpheniramine Maleate | 8 mg |
Phenylephrine HCl | 40 mg |
Phenyltoloxamine Citrate | 50 mg |
in a specially prepared base, to provide a prolonged therapeutic effect.
Acetaminophen, 4'-Hydroxyacetanilide, is a non-opiate, non-salicylate. It has the following structural formula:

C8H9NO2 M.W. 151.16
Chlorpheniramine maleate, 2-Pyridinepropanamine, γ-(4-chlorphenyl)-N,N-dimethyl-, (Z)-2-butenedioate (1:1), is an antihistamine. It has the following structural formula:

C16H19CIN2 • C4H4O