Heartworms are parasites transmitted to dogs by mosquitoes carrying infective larvae. Once inside a canine host, the worm larvae travels to the heart and lungs, where it can grow up to a foot long and ...

Drugs that prevent heartworm infestations in dogs are almost 100 percent effective, Dr. Dan Treat of Animal Health Clinic in Fargo says. Two are available under the brand names Heartgard and ...

In Louisiana, the climate is humid and subtropical, meaning conditions are ripe for mosquitoes to be present year-round. This also means heartworm disease is a huge problem in our area. Dogs and cats ...