sentry fever guard for dogs is formulated specifically for dogs and puppies over eight weeks weighing four to 132 pounds it is effective flea and tick protection that's easy to apply first read the label and follow the instructions separate one tube from the others this is the recommended dose for your dog's weight point the tube away from your face and body as you snip the tip at the notches use the tip to part the fur to reach your dog's skin for dogs for 288 pounds squeeze the tube to apply all the contents in a spot between your dog's shoulder blades for dogs 89 to 132 pounds squeeze the tube to apply all the contents in a stripe from the back of the neck to the middle of your dog's back be sure to keep pets separated from children and other pets until the application dries sentry trip regard for dogs should be applied only once every four weeks