13 Household Plants You May Be Surprised to Learn Are Toxic to Cats

Although handy for humans when it comes to relieving sunburn, the aloe vera plant contains glycosides, anthracene, and anthraquinones, toxic compounds that are poisonous to cats. Because aloe may increase the amounts of mucus and water in your cat's colon, pet owners should make an appointment with the vet if they see a change in behavior, like diarrhea or vomiting.