Cetirizine is an over-the-counter (OTC) antihistamine. Pseudoephedrine is a decongestant. Zyrtec-D is an OTC combination medication of the two. Decongestants help relieve nasal congestion by ...

Cetirizine HCl 5mg, pseudoephedrine HCl 120mg; ext-rel tabs. Hydroxyzine sensitivity. Narrow-angle glaucoma. Urinary retention. Severe hypertension or coronary artery disease. During or within 14 ...

It was added to cold and flu remedies in the 1990s when another ingredient went behind the counter over illicit meth lab ...