One regular strength tablet of acetaminophen may cause damage
to a cat’s red blood cells, limiting their ability to carry oxygen. In dogs, acetaminophen leads to liver failure and, in large doses, red blood cell damage.
3) Antidepressants (e.g. Effexor, Cymbalta, Prozac, Lexapro)
While these antidepressant drugs are occasionally used in pets, overdoses can lead to serious neurological problems such as sedation, incoordination, tremors and seizures.