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Ketoconazole for Dogs & Cats

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Ketoconazole 200 mg, 100 Tablets
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Ringworm and Yeast Infection Treatment

Ketoconazole is an antifungal pet medication given to dogs and cats to fight fungal infections, ringworm infestations, and yeast infections. Ketoconazole pet meds are also used to treat Cushing's Disease.

Ketoconazole is a broad-spectrum antifungal medication used for the treatment of ringworm, yeast, and fungal infections in dogs and cats. It may also be used to treat Cushing's disease.

Benefits of Ketoconazole:
  • Effective against a variety of internal and external fungal infections
  • Scored tablets for easy dosing
  • Affordable, generic medication
  • Effective against a variety of fungal infections
  • Powerful enough to eliminate even severe infections

Do not give this medication within 2 hours of treatment with an antacid medication. Wait 2 hours after administering Ketoconazole before treating with an antacid.

The usual recommend dose is 10 mg/kg twice daily for dogs and 10 mg/kg once or twice daily for cats; however, your pet's dose depends on many factors, including the condition being treated and your animal's individual response to the medication.

Complete the entire prescription unless instructed otherwise by your veterinarian.


  1. Give this medication with food.
  2. Hand-feed the prescribed number of tablets to your cat or dog.
  3. Offer plenty of water to your pet.
  4. Wait at least 2 hours before giving an antacid medication.

Frequency of Use:

In some cases, it may take weeks for improvement in symptoms to occur. Continue to give your pet Ketoconazole as prescribed. Symptoms may begin to improve after 1 to 2 weeks of continued use.


Store Ketoconazole in a tightly sealed container, out of reach of children and animals. Keep at room temperature.

It is a violation of Federal Law to use this product in a manner inconsistent with its labeling.

Ketoconazole is a broad-spectrum, synthetic antifungal medication belonging to the imidazole family of drugs. It treats fungal infections by inhibiting ergosterol synthesis, which prevents fungal cells from maintaining plasma membrane integrity. This causes the cell wall to rupture.

Ketoconazole treats Cushing's disease by blocking the formation of cortisol in the adrenal glands.


Keep this product out of reach of children and animals. Do not use or store in or near open flame or heat.

Ketoconazole is intended for use in dogs. Do not use in other animals unless specifically prescribed for that purpose by your veterinarian. Do not use in humans. Although this medication is sometimes used in cats, it may be toxic.

CAUTION: Numerous medications and supplements can interact with Ketoconazole. Tell your veterinarian about any medications or supplements your pet is taking before beginning therapy with this medication.

Do not give this medication to pregnant or nursing pets.

Do not give Ketoconazole to pets taking astemizole, triazolam, or cisapride. Doing so can cause serious and potentially fatal side effects.

Rarely, this medication can cause severe liver damage. Symptoms of liver damage may include nausea, vomiting, fatigue, abdominal pain, reduced appetite, itching, dark urine, and yellow eyes. Contact your veterinarian immediately if these symptoms develop in your pet.

Symptoms of overdose include headache, nausea, vomiting, dizziness, diarrhea, and abdominal pain. Seek immediate veterinary attention for a known or suspected overdose.