What is the most effective antifungal dog medication available on the market?

The most effective antifungal dog medication available on the market is usually prescribed by a veterinarian and can vary depending on the specific fungal infection being treated. Common antifungal medications for dogs include fluconazole, ketoconazole, and itraconazole. It is important to consult with a veterinarian for the most appropriate treatment for your dog's specific condition.