Dieffenbachia - This popular houseplant can cause severe swelling in the mouth and throat if ingested.
Peace Lily - While beautiful, the peace lily can cause mouth irritation, difficulty swallowing, and even vomiting if ingested.
English Ivy - English Ivy contains toxins that can cause symptoms such as nausea, vomiting, and diarrhea.
Oleander - All parts of this plant are toxic and can cause serious health problems, including heart failure, if ingested.
Philodendron - This common houseplant contains calcium oxalate crystals that can cause irritation and swelling of the mouth and throat.
Pothos - Similar to philodendron, pothos contains calcium oxalate crystals that can cause severe mouth and throat irritation.
Snake Plant - Snake plants can cause nausea, vomiting, and diarrhea if ingested.
Schefflera - Also known as the umbrella plant, schefflera can cause digestive upset, vomiting, and diarrhea if ingested.
ZZ Plant - While not as toxic as some other plants on this list, the ZZ plant can still cause mouth and throat irritation if ingested.