ALL WORM PILLS. RIDS OF HOOKWORM, ROUNDWORM, WHIPWORM, BOTH TYPES OF TAPEWORMS. EACH PILL TREATS 22LBS OF BODY WEIGHT. ONE OF THE BEST WORMERS ON THE MARKET. PLEASE NOTE THAT IF YOUR DOG IS ALREADY AT 22LBS YOU NEED TO ADMINISTER 1 1/2-2 TABLETS PER DOG Active ingredients: 41.8mg Levamisole, 1000mg Niclosamide