List of Poisonous Plants/Herbs – Symptoms, Pictures

Poisonous Plants - Symptoms After Ingestion

List of common poisonous plants with symptoms, if ingested (click links for description and pictures) (1):

• Aloe vera (leaves)
• Amaryllis (roots)
• Apple seeds in large amounts - depression of breathing
• Apricot seeds (and leaves) – convulsions, depression of breathing
• Bitter melon seeds may be toxic for children
• Black (wild) cherry (leaves, seeds) – gasping, pupil dilation, coma
• Blood lily (Africa)
• Cassava, manioc, tapioca (raw roots or tuber peels) – staggering, convulsions, coma
• Castor beans (seeds)
• Elderberry
• Elephant’s ear (all parts)
• Fava (broad) bean (broad bean) – headache, diarrhea (toxic for some people in the Mediterranean area)
• Flax (in large amount) – convulsions, paralysis
• Foxglove
• Ground (Jerusalem) cherry – hypothermia, loss of sensation, diarrhea
• Horsechestnut (leaves and sprouts)
• Indian turnip (raw stem) – burning mouth
• Mayapple (apple, leaves, roots)
• Monkshood
• Nightshade (bittersweet) (leaves and berries)
• Oleander
• Opium poppy - depression of breathing, coma
• Peach (leaves, stems, seeds) – depression of breathing, convulsions, coma
• Peyote cactus
• Pokeweed
• Precatory bean - severe diarrhea, circulatory collapse
• Rosary pea (seeds) – after few days: painful mouth ulcers
• Rhododendron (leaves)
• Rhubarb in large quantities – burning mouth, vomiting, coma
• Tobacco (all parts) – vomiting, dizziness, collapse
• White (irish) potatoe unripe (green) tubers

NOTE. List contains only some common plants that are toxic in small amounts.

Chinese herbal drugs, like ‘An Gong Niu Huang Wan’ and ‘ Da Huo Luo Wan’ and Indian traditional medications Belleza-manning, Tainan, Ping-tong or Sin-chu may also cause diarrhea.

When to Visit a Doctor?

Doctor should be visited if the following symptoms appear after ingestion of a plant:

• Severe, prolonged or bloody diarrhea
• Repeating vomiting
• Strong, persistent stomach cramps
• Altered consciousness (hallucinations, coma)

Related Articles:

• Mushrooms and Diarrhea
• Antibiotic Associated Diarrhea
• Diarrhea After the Meal
• Causes of Acute Diarrhea
• Food Poisoning

References:

1. Poisonous plants list with pictures  (ces.ncsu.edu)