Learn about our Editorial Policies. The rodents have long been blamed for spreading the plague, which is caused by the bacterium Yersinia pestis. Researchers thought the bacterium would infect fleas ...

It can be an ongoing battle to keep your dog flea and tick free, but have you ever considered the impact of lice on your canine companion? As a completely different species, it's important to ...

Many of these flea medications also treat lice, mites, intestinal worms, and life-threatening heartworm infections. Safe and effective flea and tick treatments include topical spot-ons ...

The best flea treatments for cats are veterinarian-approved, safe, and effective, and often control other parasites like ticks, worms, and lice. I made my recommendations for this guide after ...