Health Guide

Jimson weed

What is it?

Jimson Weed is an herbal medicine used for asthma, whooping cough, muscle spasms, and to control salivation in Parkinson's disease.

Other names for Jimson Weed include: Datura stramonium, Angel's Trumpet, Angel Tulip, Apple-of-Peru, Devil Weed, Devil's Apple, Devil's Trumpet, Estramonio, Green Dragon, Gypsyweed, Inferno, Jamestown Weed, Loco Seeds, Locoweed, Mad Apple, Moon Weed, Stramoine, Stechapfel, Stinkweed, Tolguacha, Trumpet Lily, Zombie's Cucumber and Thornapple Leaf.

Ask your doctor, nurse, or pharmacist if you need more information about this medicine or if any information in this leaflet concerns you.

Before Using:

Tell your doctor if you

  • are taking medicine or are allergic to any medicine (prescription or over-the-counter (OTC) or dietary supplement)
  • are pregnant or plan to become pregnant while using this medicine
  • are breastfeeding
  • have glaucoma, a blockage in your gastrointestinal tract (stomach and intestines), or myasthenia gravis
  • have any other health problems, such as high blood pressure or heart or blood vessel disease


Talk with your caregiver about how much Jimson Weed you should take. The amount depends on the strength of the medicine and the reason you are taking Jimson Weed. If you are using this medicine without instructions from your caregiver, follow the directions on the medicine bottle. Do not take more medicine or take it more often than the directions tell you to.

To store this medicine:

Keep all medicine locked up and away from children. Store medicine away from heat and direct light. Do not store your medicine in the bathroom, near the kitchen sink, or in other damp places. Heat or moisture may cause the medicine to break down and not work the way it should work. Throw away medicine that is out of date or that you do not need. Never share your medicine with others.


  • Before taking Jimson Weed, tell your doctor if you are pregnant or breastfeeding
  • Do not use Jimson Weed if you have glaucoma, a blockage in your gastrointestinal tract (stomach and intestines), or myasthenia gravis (2)
  • The dose at which Jimsom Weed is effective is very close to the amount that will cause overdose. Symptoms of overdose are: dry mouth, difficulty in swallowing, large pupils, fast heartbeat, feeling restless, hallucinations, delirium and coma (1)
  • Jimson Weed is an illegal drug in the United States (2)

Side Effects:

Stop taking your medicine right away and talk to your doctor if you have any of the following side effects. Your medicine may be causing these symptoms which may mean you are allergic to it.

  • Breathing problems or tightness in your throat or chest
  • Chest pain
  • Skin hives, rash, or itchy or swollen skin

Other Side Effects:

You may have the following side effects, but this medicine may also cause other side effects. Tell your doctor if you have side effects that you think are caused by this medicine.

  • Dry mouth, swallowing problems, large pupils, fast heartbeat, restlessness, hallucination, muscle weakness, blurred vision, problems talking and breathing, low blood pressure, fever, extreme thirst, and coma (1,2)


1. Bradley PR (ed): British Herbal Compendium, Vol. 1: a handbook of scientific information on widely used plant drugs. British Herbal Medicine Association, Bournemouth, Dorset, UK; 1992.

2. Fetrow C & Avila J: Professional's Handbook of Complementary and Alternative Medicines. Springhouse Corporation, Springhouse, PA; 1999.

Last Updated: 7/4/2018
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