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Order Certifect for Dogs 89-132 lbs, 3 Month (Red) to keep your extra large dog safe from fleas, ticks, and chewing lice year-round. The Fipronil, (S)-methoprene, and amitraz in Certifect work together to kill all stages of fleas. This product also kills deer ticks, American dog ticks, brown dog ticks, and lone star ticks which can help keep your dog safe from Lyme Disease by preventing tick bites.
This information is for general reference only and should not be used for the diagnosis or treatment of any condition of your pet. Because is intended as a general reference, this information may not include all possible uses, precautions, directions, reactions (including allergic), drug interactions, or withdrawal times. Always consult your local veterinarian and have your pet examined for any advice concerning the diagnosis and treatment of your pet, including which products and doses are most appropriate. Any trademarks are the property of their respective owners. VetDepot is not a pharmacy. All prescription products are dispensed by our Pharmacy Partner.