Comfortis is a sister drug to another flea medicine, Trifexis, which was the subject of a Channel 2 investigation. Trifexis is a once-a-month combination pill made by Elanco for heartworm ...

Comfortis is a sister drug to another flea medicine, Trifexis, which was the subject of a Channel 2 investigation. Trifexis is a once-a-month combination pill made by Elanco for heartworm ...

A family says the drug, Comfortis, killed their dog. <p>ST. PETERSBURG – A Facebook post that's been shared by more than 200,000 users is warning of the dangers of a commonly prescribed flea and ...

“Be aware.” “Death sentence.” “Killed my cat within hours.” Not exactly what you want to see when you’re considering a flea medication for your pet. But it… ...

Flea and tick pills made using isoxazoline can cause neurological problems in cats and dogs, the FDA says, and labels need to warn of the risks more clearly.

In West Virginia, I found a vet who said Chase was overgrooming due to a flea saliva allergy. She recommended Comfortis. She also noticed Chochi was overgrooming the same area, so both cats began ...

A family says the drug, Comfortis, killed their dog. <p>ST. PETERSBURG – A Facebook post that's been shared by more than 200,000 users is warning of the dangers of a commonly prescribed flea and ...