Is Cats Safe?

Is Zyrtec (cetirizine) Safe for Cats?

Caution for cats

Caution — Zyrtec (cetirizine) can be risky for cats.

Zyrtec (cetirizine) isn't classed as outright toxic, but it warrants caution around cats — Plain cetirizine is generally well tolerated off-label, BUT Zyrtec-D contains pseudoephedrine (toxic) and some liquids contain propylene glycol.. When in doubt, keep it out of reach and ask your veterinarian.

CategoryMedicine
Also known aszyrtec, cetirizine, antihistamine

Signs to watch for in cats

Plain: occasional drowsiness, drooling, mild GI upset. The 'D' form: fast heart rate, agitation, tremors, seizures. Use only under vet direction; never the 'D' or syrup form.

If your cat may have been exposed to Zyrtec (cetirizine):

  1. Don't wait for symptoms; don't induce vomiting unless a professional tells you to.
  2. Note what and how much, and take any packaging with you.
  3. Call your vet or a 24/7 line now — Pet Poison Helpline 855-764-7661 · ASPCA 888-426-4435.

Cat-safe alternatives

Browse all Medicine for cats · or check another item.

Source: VCA Hospitals; Merck Vet Manual ↗

Frequently asked questions

Is Zyrtec (cetirizine) safe for cats?

Zyrtec (cetirizine) is best treated with caution — it isn't classed as toxic but can cause problems for cats in some forms or amounts.

What are the symptoms if a cat is exposed to Zyrtec (cetirizine)?

Reported signs include: Plain: occasional drowsiness, drooling, mild GI upset. The 'D' form: fast heart rate, agitation, tremors, seizures. Use only under vet direction; never the 'D' or syrup form.

What should I do if my cat ate Zyrtec (cetirizine)?

Contact your vet or a 24/7 animal poison line right away: Pet Poison Helpline (855-764-7661) or ASPCA Animal Poison Control (888-426-4435).