Is Aloe Vera Poisonous to Cats?

By Staff WriterLast Updated Apr 6, 2020 10:42:05 AM ET

According to the Pet Poison Hotline, aloe vera has a mild to moderate toxic effect on cats. Aloe vera contains anthraquinone glycosides that are known to increase fluid in the intestines and cause a laxative effect. When ingested, aloe vera can cause vomiting, diarrhea and a change in urine color.