Trifexis for Dogs 20.1-40 lbs, 6 Chewable Tablets (Green) is used to keep your dog safe from heartworms, fleas, and three common varieties of intestinal worms. This medication begins killing adult fleas within 30 minutes after administration and prevents heartworm disease by killing certain stages of immature heartworms. Protect your dog all year with Trifexis pet meds.

• Beef flavored so it's easy to give to dogs
• Ends flea infestations by breaking the parasite's life cycle
• Treats hookworm, whipworm, and roundworm infections
• Heartworm preventative for dogs
• Manufacturer information and usage

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