Nextstar Flea & Tick Topical for Large Dogs, 45–88 lbs

A fast-acting monthly topical from Nextstar, sized for large dogs of 45–88 lbs. Per the maker, it starts killing fleas within 5 minutes and protects for a full 30 days against fleas, ticks, mosquitoes and chewing lice, targeting all stages of the flea life cycle. The waterproof formula spreads through the skin's natural oils for head-to-tail coverage and keeps working after baths, swimming or rain. No prescription needed — one tube a month, applied at the shoulder blades. Dogs only: never use on cats.

Key Benefits

• Starts killing fleas within 5 minutes, per the maker
• 30 days of protection per application
• Covers fleas, ticks, mosquitoes, chewing lice and all flea life stages
• Waterproof — keeps working after baths, swimming or rain
• Spreads through skin oils for full-body, head-to-tail coverage
• Over the counter — no prescription needed

Specifications

• Brand: Nextstar
• For: large dogs 45–88 lbs only (other sizes sold separately)
• Application: one full tube at the shoulder blades every 30 days; keep dog dry and separated from other pets for about 24 hours
• Supplies/prices: 3-month $34.99; 6-month $69.98; 12-month $139.96
• Caution: do not use on cats; consult your vet for sick, pregnant, nursing or medicated dogs
• Availability: in stock

Quick answers

How quickly does it work?
Per the maker, it starts killing fleas within just 5 minutes of application and begins controlling ticks and other listed pests within 24 hours, for up to 30 days.

How do I apply it?
Part the hair at the shoulder blades, squeeze the full tube onto the skin along the middle of the back, and keep your dog dry and separated from other pets for about 24 hours.

Can I bathe my dog after applying?
Wait at least 24 hours before bathing or swimming so the formula can spread fully; after that it is waterproof.

Is it in stock?
Yes — in stock, 3-month supply $34.99, 6-month $69.98 or 12-month $139.96.