Oral phenylephrine is an ingredient in popular brands of cold medicine like NyQuil, Sudafed, Benadryl and Mucinex. The reason ...

Chlorpheniramine, another antihistamine that targets general allergy and cold symptoms. If you've already taken Nyquil, don't ...

Compare to the active ingredients of Vicks NyQuil Cold & Flu RELIEVES COLD ... cough suppressant and antihistamine. GLUTEN FREE: This product is Gluten Free. Does not contain Pseudoephedrine ...

Additive effects with other antihistamines, anticholinergics, sedatives, tranquilizers or other nighttime cold/fu products (eg, NyQuil); avoid. MPR, a trusted source of medical news and feature ...