Hold tube upright. Press cap down until a click is heard (cap punctures applicator seal).
Remove cap and check to be sure tip of tube is open.
Part hair at base of neck and place tip of tube on visible skin area.
Squeeze tube 3 or 4 times in one spot until empty.      Keep tube squeezed to avoid drawing liquid back into tube. While keeping tube squeezed, drag it away from liquid and lift up to remove.
Ensure tube is empty.

Prior to administration, your pet should be tested for existing heartworm infections. At the discretion of the veterinarian, infected dogs should be treated to remove adult heartworms. While the number of circulating adult D. immitis microfilariae may decrease following treatment, Revolution is not effective for microfilariae clearance.  In studies, less than 1% of dogs experienced digestive upset. Do not use in sick, debilitated or underweight animals.

Safety Precautions for Humans
Flammable. Keep away from heat, sparks or open flame.
Keep out of reach of children.
In humans, may be irritating to skin and eyes.