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 ...

Immunotherapy aims to turn the body’s immune system into an ally in the fight against cancer. One way that can happen is by stimulating T cells to identify and kill unwanted tumor cells. Unfortunately ...

Zyrtec (cetirizine) is an over-the-counter (OTC) antihistamine commonly used to treat allergy symptoms, such as runny nose, ...

If you are taking the over-the-counter product to self-treat, read all directions on the product package before taking this medication. If you have any questions, consult your pharmacist.

If you are taking the over-the-counter product to self-treat, read all directions on the product package before taking this medication. If you have any questions, consult your pharmacist.