Simparica Trio is a once-a-month chewable that protects your dog with three proven ingredients designed for defense.

It's available from your vet with a prescription and comes with a 100% satisfaction guarantee.

• Protects dogs against heartworm disease, ticks & fleas, roundworms & hookworms.
• FDA-approved to block infections that may cause Lyme disease by killing deer ticks.
• Demonstrated safe for puppies as young as 8 weeks old, weighing at least 2.8 lbs.

It's Time to Enhance Your Dog's Protection

• Unlike other brands, just 1 monthly Simparica Trio chewable provided 100% protection against heartworm disease in a study.
• Proven to kill 5 types of ticks. Competitive chewable brands are only approved to kill 4.^*

• Prevents flea infestation by killing fleas before they can even lay eggs. Starts killing within 4 hours, and achieved 100% effectiveness in 8 hours in a study.

Heartworm disease can be fatal, and it only takes one bite from an infected mosquito.

• Heartworm disease is a year-round threat

• Heartworm disease has been diagnosed in all 50 states

• Even with routine testing, it can take up to nine months to detect¹

• Heartworm disease can be deadly

Treats and controls roundworms and hookworms to protect your dog from intestinal parasites.