KILTIX 4 Tube PackKills and repels ticks for up to 4 weeks. Can be used with Advantage or PROGRAM or alone to prevent ticks. Used with Advantage or PROGRAM, you will get both flea and tick protection. Dosage:Please note each dosage prevents ticks for a month. Dogs less than 33 lbs. require one tube monthly whereas dogs over 33lbs require 2 tubes per month. For dogs less than 33 lbs.: Apply one tube of KILTIX as a spot between the shoulder blades or as a stripe to the dog's back. For dogs more than 33 lbs.: Apply one tube of KILTIX as a spot between the shoulder blades or as a stripe to the dog's back AND a second tube as a spot directly in the front of the base of the tail or as a stripe to the dog's back.FOR DOGS ONLY. DO NOT APPLY TO CATS