Clemastine
Tavist is a brand-name antihistamine medication containing clemastine fumarate. It is used to relieve symptoms of allergic conditions such as hay fever, allergic rhinitis, and allergic skin reactions like hives or itching. As a first-generation antihistamine, it works by blocking histamine receptors in the body to reduce allergic symptoms.
Tavist is an antihistamine used to treat allergy symptoms like sneezing, itching, and runny nose.
Key facts at a glance
- RxNorm
- 42602
- Generic
- Tavist
- 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.
Treatment of seasonal and perennial allergic rhinitis (hay fever), allergic conjunctivitis, urticaria (hives), and pruritus (itching) associated with allergic skin conditions.
Tavist contains clemastine fumarate, which is a histamine H1-receptor antagonist. It blocks the action of histamine, a substance in the body that causes allergic symptoms, thereby reducing sneezing, itching, watery eyes, and runny nose.
This medication may cause drowsiness and should be used with caution when driving or operating machinery. Alcohol and other sedating medications may enhance this effect. Patients with certain conditions like glaucoma, urinary retention, or thyroid disorders should consult a healthcare provider before use.
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 9, 2026. · Read our editorial policy