How long does Zyrtec take to work?

Answer Zyrtec is a fast acting over-the-counter allergy medication that begins to take affect in as little as one hour after taking the first dose and works for up to 24 hours.Source:Zyrtec

Top Q&A For: How long does Zyrtec take to work

What long-term effects are caused by children's Zyrtec?

Children's Zyrtec is a medication manufactured by Pfizer to relieve hay fever, seasonal allergies and hives. This medication is available in several forms, Children's Zyrtec Allergy Syrup, Childre... Read More »

What is in Zyrtec-D?

Zyrtec-D is a brand name for an oral prescription medication that contains a combination of 5 mg of cetirizine hydrochloride and 120 mg of pseudoephedrine hydrochloride. Doctors prescribe Zytrec-D ... Read More »

When should you take Zyrtec: am or pm?

Zyrtec is a second-generation antihistamine used to combat allergy symptoms such as sneezing, rashes, runny noses and other respiratory symptoms. Antihistamines are notorious for causing drowsiness... Read More »

Does Zyrtec help itching?

On One Hand: Itching Due to AllergiesAllergies can cause your eyes, nose, and skin to itch. Antihistamine medications such as Zyrtec can help alleviate many of your allergy symptoms. According to ... Read More »