Diphenhydramine
Vetadryl is a brand-name veterinary medication that is commonly used in animal healthcare settings. While specific details about its formulation are not widely documented, veterinary antihistamines in this category are typically used to address allergy-related symptoms and certain skin conditions in companion animals.
Vetadryl is a veterinary brand-name medication, likely an antihistamine, used for managing allergic conditions in animals.
Key facts at a glance
- RxNorm
- 1310476
- Generic
- Vetadryl
- 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.
Veterinary antihistamines like Vetadryl may be used to manage itching, skin irritation, and other allergic symptoms in dogs, cats, and other animals. Specific approved uses should be confirmed with a licensed veterinarian.
Based on the naming convention, this medication likely belongs to the antihistamine drug class, which works by blocking histamine receptors to reduce allergic reactions and associated symptoms.
This is a brand-name veterinary medication. Animal-specific formulations differ from human medications. Always consult a licensed veterinarian before administering any medication to pets, as dosage and safety vary by species, weight, and health status.
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