Find out which OTC allergy medicines, including nasal sprays and oral antihistamines, are recommended by top allergy experts ...

In a lot of the cases, you see combinations of antihistamines and decongestants. And decongestants will constrict the blood vessels. So people who are expecting, rhinitis or runny nose ...

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 ...