Frontline
A trusted topical that kills fleas, flea eggs, larvae, ticks, and chewing lice. Waterproof after 24 hours and effective for a full month — long-standing protection cat parents rely on.
Best price from 1-800-PetMeds at $51.99
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| Retailer | Price | Go |
|---|---|---|
1-800-PetMedsTop pick as of 7/14/2026 | $51.99 | Check price |
Amazon as of 7/14/2026 | $54.98 | Check price |
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