While these medications are safe for people, even one or two pills can cause
serious harm to a pet. Dogs, cats, birds and
other small mammals (ferrets, gerbils and
hamsters) may develop serious stomach and intestinal ulcers as well as kidney failure.
2) Acetaminophen (e.g. Tylenol)
When it comes to pain medications, acetaminophen (e.g. Tylenol) is certainly popular. Even though this drug is very safe, even for children, this is not true for pets—especially cats.