Pheniramine / phenylpropanolamine / phenyltoloxamine / pyrilamine and Trifed C Drug Interactions - Drugs.comDrug interactions between pheniramine / phenylpropanolamine / phenyltoloxamine / pyrilamine and Trifed CApplies to: pheniramine / phenylpropanolamine / phenyltoloxamine / pyrilamine and Trifed C (codeine / pseudoephedrine / triprolidine)Applies to: Trifed C (codeine / pseudoephedrine / triprolidine) and pheniramine / phenylpropanolamine / phenyltoloxamine / pyrilamine
