May exhibit additive effect w/ other CNS depressant including alcohol. May increase sympathomimetic effects of MAOIs & β-blockers. Reduced hypertensive effects of methyldopa, mecamylamine, reserpine & veratum alkaloids.
R01BA53 - phenylephrine, combinations ; Belongs to the class of systemic sympathomimetic preparations used as nasal decongestants. R06AB51 - brompheniramine, combinations ; Belongs to the class of substituted alkylamines used as systemic antihistamines.