Pet Flea Shampoo (Pyrethrin/Pyrethroid-Based) — pet safety profile
High riskMedicated flea shampoos containing pyrethrins (natural) or pyrethroids (synthetic: permethrin, cypermethrin).
What is this product?
Medicated flea shampoos containing pyrethrins (natural) or pyrethroids (synthetic: permethrin, cypermethrin). Dog flea shampoos containing permethrin are LETHAL to cats — permethrin toxicity is the #1 cause of feline pesticide poisoning. Cats exposed to permethrin via shared grooming, shared bathing areas, or accidental use develop tremors, seizures, and death without immediate veterinary treatment.
What's in it
Click any compound name for its full safety profile, regulatory consensus, and exposure data.
Active Ingredient
Red flags — when to walk away
- Product not veterinarian-recommended or approved — Unverified safety and efficacy for intended use.
Green flags — what to look for
- NASC quality seal or veterinary recommendation — Third-party quality verification and professional endorsement.
Safer alternatives
- Cat-safe flea shampoo — pyrethrin-free, permethrin-free
- Oral flea prevention medication — eliminates topical pesticide exposure
- Flea comb + regular bathing with non-medicated shampoo — Safer option
Frequently asked questions
Are there safer alternatives to Pet Flea Shampoo (Pyrethrin/Pyrethroid-Based)?
Yes — consider: Cat-safe flea shampoo; Oral flea prevention medication; Flea comb + regular bathing with non-medicated shampoo. See the Safer alternatives section above for details.
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Open in pets View raw API dataReference data, not professional advice. Aggregates publicly available regulatory and scientific information. Why we built ALETHEIA →