Advantage II XL Dog Flea Treatment & Prevention for Dogs Over 55 lbs — Vet-Recommended, 6-Month Supply

Advanced flea protection for large dogs

Advantage II Extra Large Dog is the veterinarian-recommended choice for big breeds. It’s formulated for dogs over 55 lbs and at least seven weeks old. The topical treatment targets adult fleas, flea larvae, and flea eggs, helping disrupt the flea life cycle and reduce ongoing infestations. Because the formula works on contact, fleas may die without biting your dog. The fragrance-free formula becomes waterproof after 24 hours, supporting an active lifestyle from home to the outdoors.

Key benefits at a glance

• Kills adult fleas, flea larvae, and flea eggs for total flea prevention and control
• Same-day effectiveness: fleas killed within 12 hours of application and protection lasts about 30 days
• Easy-to-apply topical treatment with no prescription required
• Fragrance-free formula; waterproof after 24 hours
• Suitable for indoor and outdoor dogs weighing over 55 lbs and at least seven weeks old

How it fits into your routine

Designed for convenient monthly use, this over-the-counter option means no pills to swallow and no vet visit required for basic protection. It’s compatible with active dogs who play in backyards, parks, and trails.

• OTC, no prescription needed
• Month-long protection that complements seasonal outdoor activities
• Supports big dogs at home and on the go, indoors and outdoors

Use guidance: Always follow label directions for application and dosing. If you notice possible side effects, consult the product label or a veterinarian. For ongoing protection, you may consider a subscription for regular doorstep deliveries.

Convenience and availability

Available in packages designed for ongoing care, including options that help you maintain a steady monthly routine. Take advantage of subscription options for regular doorstep deliveries and a six-month supply of protection for your large dog.