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Credelio Plus for X-Large Dogs is a prescription chewable tablet specifically formulated for extra-large dogs, offering comprehensive protection against a broad spectrum of parasites. Combining Lotilaner (effective against fleas and ticks) and Milbemycin Oxime (for heartworms and intestinal worms), this powerful formula provides fast-acting, long-lasting protection in a single, easy-to-administer chew. Designed for larger breeds, Credelio Plus starts working quickly to kill fleas and ticks within hours, providing up to 30 days of continuous protection. Trusted by veterinarians, this monthly treatment ensures your dog stays healthy and safe from harmful parasites all year long.