The symptoms of poisoning from ingesting a succulent include but are not limited to the following: Changes in heart rate Collapse Diarrhea Dilated pupils Dizziness Drooling Sluggishness Headache Nausea Stomach cramps Vomiting If someone has consumed a part of a toxic succulent, contact a medical professional or poison control. Poison Control Center Animal Poison Control Ask a Poison Control Vet