Stronghold (Selamectin) is a monthly spot-on by Zoetis providing broad-spectrum parasite control for cats and dogs. Kills adult fleas, flea eggs and larvae (breaks the full lifecycle), prevents heartworm, treats ear mites, roundworms, hookworms (cats), biting lice, and sarcoptic mange (dogs, 2 doses). Same formula as Revolution (USA). Safe for pregnant/lactating animals and Collies. Apply to skin at base of neck once monthly. 3 pipettes per pack.
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