Parkitrol 2 Trihexyphenidyl Hydrochloride Dextromethorphan + Phenylephrine + Triprolidine
ModerateTaking dextromethorphan with phenylephrine and triprolidine along with trihexyphenidyl requires caution because they can interact.
These medicines are often taken together with some care. Your doctor may change a dose, space them apart or check on you more often. Make sure your doctor and pharmacist know you take both.