Zyrtec

• Generic Name: cetirizine
• Brand Name: Zyrtec
• Drug Class: How Do Second Generation Antihistamines Work?

Zyrtec (Cetirizine) side effects drug center

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  Allergy (Allergies) Hay Fever (Allergic Rhinitis) Hives (Urticaria)
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Zyrtec Side Effects Center

What Is Zyrtec?

Zyrtec (cetirizine hydrochloride) is an antihistamine that treats symptoms, such as itching, runny nose, watery eyes, and sneezing from hay fever (allergic rhinitis) and other allergies, such as allergies to molds and dust mites. Zyrtec is available in generic form and over-the-counter (OTC).

What Are Side Effects of Zyrtec?

Common side effects of Zyrtec include:

• drowsiness,
• fatigue,
• tired feeling,
• dizziness,
• dry mouth,
• sore throat,
• cough,
• nausea,
• constipation, or
• headache.

In children, side effects of Zyrtec include:

• stomach pain and
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