Diphenhydramine has several important effects and thus several uses. Most obviously, diphenhydramine is an antihistamine and it is used for acute inflammatory and allergic conditions such as:

• Snake bites
• Vaccination reactions
• Blood transfusion reactions
• Bee stings and insect bites

Diphenhydramine is frequently included in antihistamine trials for allergic skin disease. It is not one of the more effective antihistamines in this regard but its availability and inexpensiveness make it worth trying in many cases.

Please keep in mind the information provided for this product is for reference only. Always consult your veterinarian to make sure this product is appropriate for your pet. Before administering be sure to thoroughly read the product label and package insert for a more complete description regarding the proper use of this product.