Vetadryl (diphenhydramine) Rx
Starting At $0.05 per tablet

Vetadryl (diphenhydramine) Rx

$0.05 per tablet
Or save an extra 5% on your first order (up to $20) with Autoship* $0.05

  • Guaranteed lowest authorized price. Learn more.

  • Manufacturer Authorized Retailer

  • Usually ships the same weekday before 3pm CT with veterinary approval.

  • Requires veterinary authorization.

  • Your pet's veterinarian will provide directions for use.

What are Vetadryl Flavored Tablets for Dogs and Cats?

  • Vetadryl is a flavored tablet for dogs and cats that contains diphenhydramine, an antihistamine.

Why do cats and dogs use Vetadryl?

  • Your veterinarian may prescribe Vetadryl if your cat or dog suffers from seasonal allergies, motion sickness, or anxiety.
  • Vetadryl contains the drug diphenhydramine, the genic name for Benadryl.
  • Diphenhydramine aids in the management of allergies, insect bites, motion sickness, travel anxiety, and other conditions.

What else should I know about Vetadryl?

  • Vetadryl tablets are flavored with dried chicken liver.
  • Vetadryl does not contain any ingredients commonly found in over-the-counter medications for humans that may be toxic to animals.

What problems could my dog or cat have with Vetadryl?

  • The most common side effect of Vetadryl is drowsiness. This effect may decrease over time.
  • Some cats may become excited when given Vetadryl.

How do you use Vetadryl?

  • Antihistamines like Vetadryl should be given on a regular, ongoing basis. They work best when given before your cat or dog before they are exposed to allergens.
  • Vetadryl may be given with other antihistamines if directed to do so by your veterinarian.
  • Vetadryl may be given with or without food. 
  • Follow your veterinarian's directions for administering or stopping this medication.

What is in Vetadryl?

  • The active ingredient in Vetadryl is Diphenhydramine.
  • Diphenhydramine blocks the histamines that cause allergic reactions.

Will I get what I see in the picture?

  • Vetadryl is a brand name. You will receive the exact brand that you request.

Who makes Vetadryl?

  • Vetadryl is manufactured by PRN Pharmaceutical.