AYRADIA™ (metronidazole oral suspension) for dogs

For the treatment of Giardia duodenalis infections in dogs

  • Dog
  • Oral solution
    Oral solution

Download the Product Information

Giardia in Dogs: Signs, Treatment and Prevention

Giardia is a parasitic infection that is often mild, but can be serious and even life-threatening for some dogs and puppies. As a loving pet owner, you’ll no doubt want to take any chances when it comes to your dog’s health. Proactive prevention is key, so read on to find out what giardia is, the signs of giardiasis in dogs, and how to prevent giardia from putting your precious pup’s health at risk.

What is Giardia infection in dogs?

Giardia infection, also known as giardiasis, is an intestinal infection caused by the Giardia species of parasite. It can affect both humans and animals, attaching itself to the intestinal wall and preventing the proper absorption of water and nutrients. As a result, infected people or animals can experience significant gastrointestinal distress.  

Signs of giardiasis in dogs include: 

  • Watery, foul-smelling diarrhea
  • Green-ish stools
  • Blood or mucus in the stool
  • Vomiting
  • Painful abdomen
  • Fever
  • Loss of appetite
  • Weight loss
  • Stunted growth
  • Reduced activity levels

What is AYRADIA™ (metronidazole oral suspension)?

  • AYRADIA oral suspension is indicated for the treatment of Giardia duodenalis infection in dogs
  • AYRADIA oral suspension is the first FDA-approved flavored oral metronidazole solution for dogs and puppies
  • The active ingredient is metronidazole, with both antibacterial and antiprotozoal activities1

The flavored liquid formulation makes accurate dosing easy for dogs and puppies.


AYRADIA oral suspension can be given with a small amount of food or directly into your dog’s mouth.




Important Safety Information:
AYRADIA™ (metronidazole oral suspension): Not for use in humans. Avoid contact with skin and wash hands after use. In dogs, neurologic effects have been associated with AYRADIA oral suspension use at high doses. Use with caution in dogs with hepatic dysfunction. The safe use of this drug in dogs intended for breeding purposes and in pregnant or lactating bitches has not been evaluated. For the full prescribing information, call Virbac at 1-800-338-3659 or view the Product Insert.

1. FDA approves first treatment for Giardia duodenalis in any animal species. FDA.October 11, 2023. Updated November 11, 2023.


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