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How are heartworms transmitted? - Loch Haven Veterinary Hospital

Heartworms are transmitted through mosquitoes. A mosquito will take a blood meal from a heartworm positive dog who's shedding their baby heartworms, this is called microfilaria. The mosquito will then ingest that, and later take a blood meal from your cat, injecting some of that blood with the microfilaria.

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What is an internal parasite? - Loch Haven Veterinary Hospital

An internal parasite is a parasite that resides inside the body.

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What causes cat heartworm? - Loch Haven Veterinary Hospital

Feline heartworms are caused by a heartworm parasite.

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What are the medication side effects for heartworm treatments? - Loch Haven Veterinary Hospital

There's not really a treatment for heartworms in cats.

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Are there side effects to the medication used to prevent cat heartworms? - Loch Haven Veterinary Hospital

Most cats do just fine with the medication used to prevent heartworm disease. Sometimes it can cause a little skin irritation if you use a topical treatment, or it can cause a little GI upset. However, these are rare occurrences and the medications are generally safe to use.

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Are there risks of treatment for each stage of heartworm? - Loch Haven Veterinary Hospital

Unfortunately, there's not really a treatment for heartworms in cats. However, the greater the stage of the heartworm, the more likelihood that it could be fatal.

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