 Chlophedianol pyrilamine and Trifed C Drug Interactions - Drugs.comDrug interactions between chlophedianol pyrilamine and Trifed CApplies to: Trifed C codeine pseudoephedrine triprolidine and chlophedianol pyrilamineApplies to: chlophedianol pyrilamine and Trifed C codeine pseudoephedrine triprolidine 