Advocate is a high-end product to control different parasitic infections in cats. This once a month topical solution treats heavy flea infestation and prevents re-infestation. It acts as the best prevention treatment for heartworm disease in cats. The treatment stops reinfesting fleas biting in 3-5 minutes and kills them within 1 hour. Larval flea stages are killed in the cat's surroundings, thus, it also reduces the incidence of flea allergy dermatitis. The easy-to-apply solution treats and controls fleas, ear mites, feline mange mites, hookworms and roundworms, and protects cats from their harmful effects.