Nextstar Flea & Tick Treatment for large dogs offers effective protection against fleas and ticks for up to one month. This waterproof formula is designed to stay active even after exposure to water, helping keep your dog comfortable and free from pests. Easy to apply, it works quickly to break the life cycle of fleas and ticks by targeting both adult pests and their larvae. Suitable for large breeds, this topical treatment supports overall skin health while providing long-lasting defense. Ensure your pet remains happy and pest-free with this reliable, monthly application.