Activyl Spot-On for Dogs & Puppies
Other products by Merck Animal Health
* Give fleas no fighting chance
* Fast-acting; wipes out 90% of fleas within 12 hours of application
* Kills fleas, larvae and eggs to break the flea life cycle
* Made in the USA
Topical flea treatment for dogs and puppies 8 weeks and older. Stops fleas from biting to give dogs quick relief and prevents new ones from developing. Mode of action uses enzymes inside the flea to activate serious flea-killing power. Long-lasting and waterproof to kill 100% of newly arriving fleas. Kills fleas within 24 hours of application.
Contains 19.53% indoxacarb.
Part coat until skin is visible; apply entire contents directly onto skin. Fleas absorb Activyl by coming into contact with the skin, not biting. Prevents and protects against infestation of fleas for up to 4 weeks. Do not apply to dogs or puppies weighing less than 4 lbs.