Dexbrompheniramine Maleate
Dexbrompheniramine Maleate is a first-generation antihistamine used to relieve allergy symptoms such as runny nose, sneezing, itchy eyes, and skin rashes. It works by blocking histamine H1 receptors, reducing allergic reactions throughout the body.
An antihistamine medication that treats allergy symptoms by blocking histamine receptors.
Key facts at a glance
- RxNorm
- 48936
- Generic
- Dexbrompheniramine Maleate
- Class
- pin-variant
- Brands
- Ala-Hist IR, M-End Max D
- 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 seasonal and perennial allergies, including allergic rhinitis, hay fever, and skin reactions such as hives and itching. May also be used for cold symptoms and motion sickness in some formulations.
As an H1 receptor antagonist, it blocks the action of histamine—a substance produced during allergic reactions—preventing it from binding to receptors and causing typical allergy symptoms like swelling, itching, and mucus production.
May cause drowsiness, dry mouth, and blurred vision. Avoid alcohol and operating machinery until you know how this medication affects you. Consult your healthcare provider before use if you have glaucoma, enlarged prostate, or thyroid disorders. Not recommended for use in children without medical supervision.
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 25, 2026. · Read our editorial policy