Keep your dog protected from fleas, ticks, intestinal worms, and deadly heartworm—all with a single, easy-to-give chew. Simparica TRIO is a once-a-month, liver-flavored tablet that offers broad-spectrum parasite protection in a form your dog will enjoy.

Developed by trusted veterinary experts, Simparica TRIO delivers powerful, lasting defense against the three major threats to canine health—making it one of the most comprehensive parasite treatments available for dogs.

Why Choose Simparica TRIO?

• Fast-Acting Flea Control
  Kills fleas quickly before they lay eggs—preventing infestations and protecting your home
  
• Tick Protection
  Effectively treats and controls paralysis ticks and brown dog ticks for up to 35 days
  
• Heartworm Prevention
  Delivers 100% proven protection against deadly heartworm disease
  
• Intestinal Worm Treatment
  Treats and controls hookworms and roundworms, including infectious larval stages
  
• Controls Flea Allergy Dermatitis
  Helps relieve itching and skin irritation caused by flea allergies
  
• One Monthly Dose
  Convenient once-a-month chew with triple-action protection
  

Total Parasite Protection in One Chew

Whether you're protecting your pup from fleas or guarding against more serious threats like heartworm and ticks, Simparica TRIO makes parasite prevention simple, effective, and stress-free.