In clinical trials adverse reactions included:vomiting, pruritus, lethargy, and diarrha
Trifexis is a monthly chewable tablet for dogs that kills fleas, prevents heartworm disease and treats and controls adult hookworm, roundworm and whipworm infections. Trifexis combines two trusted active ingredients (spinosad + milbemycin oxime) to provide protection for your dog.
For use in dogs and puppies 8 weeks of age and older and 5 lbs of body weight or greater
Tip: Trifexis does not cover Ticks unfortunately. Try a tick collar like Scalibor Protector Band