Heartworm Symptoms in Cats

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Additional tests may be recommended to help determine the severity of the disease that may include additional blood tests such as a complete blood count (CBC) and chemistry panel, chest x-rays (radiographs), and ultrasound of the heart (Echocardiogram).

Treatment of Heartworm Disease in Cats

There is no approved drug therapy for heartworm infection in cats. The medication used to treat heartworm infections in dogs cannot be used in cats. Manual removal of worms is one treatment option. Learn more about the diagnosis and treatment of Heartworm Disease in Cats.

How to Prevent Heartworm Disease in Cats

Providing your cat with monthly heartworm prevention medications can prevent heartworm Disease in cats. In most cases, a once-monthly pill or topical liquid is effective in preventing heartworms from taking hold. Preventatives kill microscopic larvae that are left behind by mosquitoes when they bite a cat. Common heartworm prevention medications used in cats include milbemycin (Interceptor® for Cats), ivermectin (Heartgard for Cats®), and/or selamectin (Revolution® for Cats). Learn more about Preventing heartworm disease in cats.

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