Human Medicines That Are Dangerous to Pets
Never give a human medicine to your pet without your vet's advice. This list gives no doses on purpose. If your pet swallowed any of these, call your vet or Pet Poison Helpline 1-855-764-7661 now.
Ibuprofen (Advil, Motrin)
Dangerous to dogs and cats
Stomach ulcers and kidney failure, even at small doses.
Naproxen (Aleve)
Dangerous to dogs and cats
Long-acting; causes ulcers and kidney damage.
Acetaminophen (Tylenol)
Deadly to cats; dangerous to dogs
Destroys red blood cells in cats; liver damage in dogs.
Aspirin (ASA)
Dangerous, especially to cats
Stomach bleeding; cats can't clear it.
Decongestants (pseudoephedrine, Sudafed, phenylephrine)
Dangerous to dogs and cats
Racing heart, tremors, seizures.
ADHD stimulants (Adderall, Ritalin, Vyvanse)
Dangerous to dogs and cats
Agitation, high temperature, seizures.
Antidepressants (SSRIs (Prozac, Zoloft), Effexor)
Dangerous to dogs and cats
Sedation or agitation, tremors; cats are attracted to Effexor.
Sleep aids (zolpidem (Ambien), benzodiazepines)
Dangerous to dogs and cats
Severe agitation or sedation.
Heart & blood pressure pills (beta-blockers, calcium channel blockers)
Dangerous to dogs and cats
Dangerously low heart rate and blood pressure.
Topical creams (5-FU, calcipotriene (psoriasis), hormone creams)
Dangerous to dogs and cats
Licked off skin or tubes; can be fatal.
Antihistamines with decongestant (anything labelled “-D”)
Dangerous
The decongestant part is the danger. Plain antihistamines only with vet dosing.
Cannabis / THC edibles (gummies, brownies)
Dangerous to dogs and cats
Wobbliness, urine leaking, slow heart; edibles may also contain chocolate or xylitol.
Sources: ASPCA Animal Poison Control; Pet Poison Helpline.