Ivermectin is an old drug. It is used to treat and prevent some infections caused by ­parasites and worms. Long ago, it was ...

A company has created dogs that do not have the main protein that provokes allergies, and hopes to get approval to start ...

It has been assumed for decades that tick and flea treatments for pets pose no threat to wildlife or people, but there’s ...

A: Bringing an animal into your home and life is always a cause for celebration, but before I encourage you too much, I want ...

A parasitic worm discovered in rats nearly a century ago has quietly spread to every warm corner of the globe, and a single ...

Toxoplasma, face mites and pinworm live in most human bodies without symptoms. A biologist explains what each one reveals ...

Q: I have such a bad cold that I can't go to school. Mom is afraid I'll spread my cold to our puppy, Barkley, so she won't ...

The deadliest killers in the animal kingdom aren’t lions or sharks, but creatures so small you might not notice them until it ...

Veterinary experts share tips on how to care for the items that come into contact with our furry companions to promote good ...

Discover how screwworm affects dogs, key symptoms, and top tips to protect your pup. Get the latest outbreak updates and ...

Ticks are small, and you might not notice when they bite, but the diseases they carry can dramatically harm your health.

Cyclospora, the parasite that has sickened thousands this summer in the U.S., requires time in the human digestive tract to ...