Chang added that even if your pet stays primarily indoors, it’s still best to get them on a form of heartworm prevention.

The good news is you can easily protect your pet from these ... Many of these flea medications also treat lice, mites, intestinal worms, and life-threatening heartworm infections.

The best way to protect your cats and dogs from heartworm is to take preventative action with medication ... who have lapsed on their pet's heartworm preventative treatment, or have not given ...