Relagesic
Generic name:acetaminophen and phenyltoloxamine citrate
Dosage form: tablet
Drug class:Analgesic combinations
Medically reviewed by Drugs.com. Last updated on Feb 21, 2022.
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Each tablet contains: | |
Acetaminophen | 650 mg |
Phenyltoloxamine Citrate | 50 mg |
Acetaminophen, 4'-hydroxyacetanilide, a slightly bitter, white, odorless, crystalline powder, is a non-opiate, non-salicylate analgesic and antipyretic. It has the following structural formula:
1. Acetaminophen

C8H9NO2 MW=151.17
Phenyltoloxamine citrate is an antihistamine having the chemical name N,N-dimethyl-2-(∝-phenyl-o-tolyloxy) ethylamine dihydrogen citrate with the following structure:
2. Phenyltoloxamine citrate

C17H21NO•C6H8O7 MW=447.48
Inactive Ingredients: Each tablet contains povidone, microcrystalline cellulose, sodium starch glycolate and magnesium stearate.
Relagesic - Clinical Pharmacology
The analgesic action of acetaminophen involves peripheral influences, but the specific mechanism is as yet undetermined. Antipyretic activity is mediated through hypothalamic heat regulating centers. Acetaminophen inhibits prostaglandin synthetase. Therapeutic doses of acetaminophen have negligible effects on the...