Speak to a vet within minutes

4.9 On the App Store 3600+ reviews

Pet Medication 101: Fluconazole

fluconazole for dogs

It’s important to understand a medication’s uses and side effects before giving it to your pet. This medication info sheet is meant to give you a good understanding of what fluconazole is used for, how it works, and potential side effects in cats and dogs. Always consult a veterinarian before giving your pet any medication.

1. Drug Name:


2. Brand Names:

Diflucan, Viaflex

3. How Dispensed:


4. Forms:

Tablets (50 mg, 100 mg, 150 mg, 200 mg), powder to reconstitute, injection

5. DrugType/Class:


6. Uses in Cats and Dogs:

Treatment for fungal infections such as cryptococcus, blastomycosis, histoplasmosis, aspergillosis, candidiasis, Malassezia, and dermatophytes.

7. How it Works:

Fluconazole works by inhibiting the production of the fungal cell wall. This causes the fungus to be structurally deficient, making it unable to reproduce or survive.

8. Side Effects and/or Signs of Overdose:

anorexia, vomiting, diarrhea, liver toxicity

9. Drug Interactions:

benzodiazepines, buspirone, cimetidine, cisapride, colchicine, corticosteroids, certain narcotics, NSAIDs, cyclosporine, diuretics. Fluconazole and these medications can affect each other by increasing the concentration of the drug in the bloodstream.

10: Cautionary Statements:

Use with caution in patients with liver disease.

Read more:

Blastomycosis in Dogs and Cats

Histoplasmosis in Dogs and Cats

Medication Info Sheet: Ketoconazole

Need to speak with a veterinarian regarding your pet’s medication or another condition?

Click here to schedule a video consult to speak to one of our vets. You can also download the FirstVet app from the Apple App Store and Google Play Stores.

More articles about dog

Are you concerned about your pet?

Book a video consultation with an experienced veterinarian within minutes.

Get started
  • Low-cost video vet consultations, 24 hours a day Low-cost video vet consultations, 24 hours a day
  • Experienced, licensed vets Experienced, licensed vets
  • Over 700,000 satisfied pet owners Over 700,000 satisfied pet owners

Speak to a vet within minutes

4.9 On the App Store 3600+ reviews