Black nightshade poisoning

Black nightshade poisoning occurs when someone eats pieces of the black nightshade plant.

This is for information only and not for use in the treatment or management of an actual poison exposure. If you have an exposure, you should call your local emergency number (such as 911) or the National Poison Control Center at 1-800-222-1222.

Poisonous Ingredient

  • Atropine
  • Solanine (very poisonous even in small amounts)

Where Found

Black nightshade plant, especially in the unripened fruit and leaves.


  • Eyes, ears, nose, mouth, and throat
    • Dry mouth
    • Enlarged (dilated) pupils
  • Gastrointestinal
    • Diarrhea
    • Stomach pain
    • Vomiting
  • Heart and blood
    • Pulse - slow or rapid
    • Shock
  • Lungs
    • Slowed breathing
  • Nervous system
    • Delirium
    • Fever
    • Hallucinations
    • Headache
    • Loss of sensation
    • Paralysis
  • Whole body
    • Sweating

Home Care

Seek immediate medical help. Do NOT make a person throw up unless told to do so by poison control or a health care professional.

Before Calling Emergency

Determine the following information:

  • Patient's age, weight, and condition
  • Name and part of the plant that was swallowed, if known
  • Time it was swallowed
  • Amount swallowed

Poison Control

The National Poison Control Center (1-800-222-1222) can be called from anywhere in the United States. This national hotline number will let you talk to experts in poisoning. They will give you further instructions.

This is a free and confidential service. All local poison control centers in the United States use this national number. You should call if you have any questions about poisoning or poison prevention. It does NOT need to be an emergency. You can call for any reason, 24 hours a day, 7 days a week.

See: Poison control center - emergency number

What to Expect at the Emergency Room

The health care provider will measure and monitor your vital signs, including temperature, pulse, breathing rate, and blood pressure. Symptoms will be treated as appropriate. You may receive:

  • Activated charcoal
  • Breathing support
  • Fluids by IV
  • Tube through the mouth into the stomach to wash out the stomach (gastric lavage)

Outlook (Prognosis)

How well you do depends on the amount of poison swallowed and how quickly treatment is received. The faster you get medical help, the better the chance for recovery.

Alternative Names

Nightshade poisoning; Morelle noire poisoning; Wonderberry poisoning