Heartworm disease is a serious and potentially fatal condition caused by parasitic worms, specifically Dirofilaria immitis, that live in the heart, lungs, and associated blood vessels of dogs. It is transmitted through mosquito bites, as mosquitoes carry the larvae of the heartworm. Once inside a dog, these larvae mature into adult worms, which can grow up to a foot long and can live for several years.

Symptoms of heartworm disease can be subtle at first but may include coughing, fatigue, decreased appetite, and weight loss. As the disease progresses, it can lead to more severe health issues such as heart failure and damage to the lungs.

Prevention is key, as treating heartworm disease can be complicated and expensive. There are several effective heartworm preventatives available, which are typically given monthly in the form of chewable tablets or topical treatments. Regular veterinary check-ups and heartworm testing are also essential to ensure your dog remains heartworm-free.

If you suspect your dog may have heartworm disease, it is crucial to consult with a veterinarian for proper diagnosis and treatment options. Early detection and prevention can save your dog's life.

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Dog Health Parasites Veterinary Advice Preventative Care Heartworm