Cetirizine
Wal-Zyr is a brand-name antihistamine containing cetirizine that provides relief from common allergy symptoms such as sneezing, runny nose, itchy/watery eyes, and itching due to hay fever or other allergies. It is typically used by adults and children to manage seasonal and year-round allergy symptoms.
Wal-Zyr is an over-the-counter antihistamine used to relieve allergy symptoms like sneezing, itching, and runny nose.
Key facts at a glance
- RxNorm
- 1086791
- Generic
- Wal-Zyr
- Class
- brand-name
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- —
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Treats symptoms of hay fever (seasonal allergic rhinitis), perennial allergic rhinitis, and other airborne allergies. May also help relieve itching of the skin due to hives (chronic urticaria).
Wal-Zyr contains cetirizine, a second-generation antihistamine that works by blocking histamine H1 receptors, preventing histamine from causing allergic symptoms like swelling, itching, and mucus production.
May cause drowsiness in some people, though it is considered a non-sedating antihistamine. Avoid alcohol while taking this medication. Consult a doctor before use if you have kidney or liver disease. Not for use in children under 6 years without medical advice.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 26, 2026. · Read our editorial policy