Apply Fiprotec Spot-On for medium breed dogs on a monthly basis to effectively treat ticks and fleas. Not only will the active ingredient kill adult ticks and fleas, but it also exterminates the eggs and larvae. For effective waterproof treatment, apply Fiprotec monthly. It collects in your dog’s skin oils and hair follicles and releases active ingredients for a month. Dogs suffering from allergic dermatitis caused by flea bites will find instant relief. This product will control fleas for up to 8 weeks and effectively kills ticks for a month. Do not apply on puppies younger than 10 weeks old.