Scotch Thistle

Last Editorial Review: 6/11/2021
Other Name(s):

Acanthe Sauvage, Alcachofa Borriquera, Ansarina, Cardo Borriquero, Chardon aux Ânes, Chardon d'Écosse, Chardon à Feuilles d'Acanthe, Herbe aux Ânes, Onoporde Acanthe, Onopordon Fausse-Acanthe, Onopordum acanthium, Toba, Woolly Thistle.

Overview

Scotch thistle is a plant. It is used as medicine.

People take Scotch thistle to stimulate the heart.

Be careful not to confuse Scotch thistle with similar sounding natural medicines such as milk thistle or Scotch pine needle.

How does it work?

There isn't enough information to know how Scotch thistle might work as a medicine.

QUESTION

Next to red peppers, you can get the most vitamin C from ________________. See Answer

Uses & Effectiveness

Insufficient Evidence to Rate Effectiveness for...

  • Stimulating the heart.
  • Other conditions.
More evidence is needed to rate the effectiveness of Scotch thistle for these uses.

Natural Medicines Comprehensive Database rates effectiveness based on scientific evidence according to the following scale: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, and Insufficient Evidence to Rate (detailed description of each of the ratings).

Side Effects

There isn't enough information to know if Scotch thistle is safe or what the possible side effects might be.

SLIDESHOW

Vitamin D Deficiency: How Much Vitamin D Is Enough? See Slideshow

Special Precautions & Warnings

Pregnancy and breast-feeding: Not enough is known about the use of Scotch thistle during pregnancy and breast-feeding. Stay on the safe side and avoid use.

Allergy to ragweed, daisies, and related plants: Scotch thistle may cause an allergic reaction in people who are sensitive to the Asteraceae/Compositae plant family. Members of this family include ragweed, chrysanthemums, marigolds, daisies, and many others. If you have allergies, be sure to check with your healthcare provider before taking Scotch thistle.

Dosing

The appropriate dose of Scotch thistle depends on several factors such as the user's age, health, and several other conditions. At this time there is not enough scientific information to determine an appropriate range of doses for Scotch thistle. Keep in mind that natural products are not always necessarily safe and dosages can be important. Be sure to follow relevant directions on product labels and consult your pharmacist or physician or other healthcare professional before using.

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Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

References

Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.