Shepherd's Purse

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

Blind Weed, Bolsa del Pastor, Bolsa-de-Pastor, Bourse à Berger, Bourse-à-Pasteur, Bourse de Capucin, Boursette, Bursae Pastoris Herba, Capsella, Capselle, Capselle a Pasteur, Capselle Bourse-à-Pasteur, Capsella bursa-pastoris, Caseweed, Cocowort, Corne de Lion, Erva-Do-Bom-Pastor, Hirtentaschel, Lady's Purse, Molette de Berger, Mother's-Heart, Moutarde Sauvage, Naeng-i, Pepper-And-Salt, Pick-Pocket, Poor Man's Parmacettie, Rattle Pouches, Sanguinary, Shepherd's Heart, Shepherd's Scrip, Shepherd's Sprout, Shovelweed, St. James' Weed, Tabouret, Tabouret des Champs, Thlaspi, Thlaspi Bourse à Pasteur, Thlaspi bursa-pastoris, Toywort, Witches' Pouches, Zurron de Pastor.

Overview

Shepherd's purse is a plant. The parts that grow above the ground are used to make medicine.

Shepherd's purse is used for heart and circulatory problems including mild heart failure, low blood pressure, and nervous heart complaints. It is also used for headache, vomiting blood, blood in the urine, diarrhea, and bladder infections.

Women use shepherd's purse for premenstrual problems, long periods, and menstrual cramps.

Shepherd's purse is sometimes applied directly to the skin for nosebleeds, superficial burns, and bleeding skin injuries.

How does it work?

Shepherd's purse might decrease bleeding, stimulate muscles, and increase uterine contractions.

SLIDESHOW

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

Uses & Effectiveness

Insufficient Evidence to Rate Effectiveness for...

More evidence is needed to rate the effectiveness of shepherd's purse 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

Shepherd's purse seems to be safe when taken by mouth or applied to the skin in small amounts. It can cause drowsiness, changes in blood pressure, thyroid function changes, and heart palpitations.

An overdose of shepherd's purse might cause paralysis, breathing difficulty, and death.

QUESTION

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

Special Precautions & Warnings

Pregnancy and breast-feeding: Shepherd's purse is UNSAFE when taken by mouth or applied to the skin during pregnancy. It might cause the uterus to contract or start menstruation, resulting in miscarriage.

Not enough is known about the safety of using shepherd's purse during breast-feeding. Stay on the safe side and avoid use.

Heart conditions: Shepherd's purse might interfere with treatment for heart conditions. It's best to avoid using shepherd's purse if you have a heart condition.

Kidney stones (nephrolithiasis): Shepherd's purse contains chemical compounds called oxalates, which can form kidney stones. If you have had kidney stones in the past, it's best to avoid using shepherd's purse.

Surgery: Shepherd's purse can affect the central nervous system. There is a concern that it might slow down the central nervous system's activity too much when combined with anesthesia and other medications used during and after surgery. Stop using shepherd's purse at least 2 weeks before a scheduled surgery.

Thyroid conditions: Shepherd's purse might interfere with treatment for thyroid conditions. It's best to avoid using shepherd's purse if you have a thyroid condition.

Interactions


Sedative medications (CNS depressants)Interaction Rating: Moderate Be cautious with this combination.Talk with your health provider.

Large amounts of shepherd's purse might cause sleepiness and drowsiness. Medications that cause sleepiness are called sedatives. Taking shepherd's purse along with sedative medications might cause too much sleepiness.

Some sedative medications include clonazepam (Klonopin), lorazepam (Ativan), phenobarbital (Donnatal), zolpidem (Ambien), and others.


Thyroid hormoneInteraction Rating: Moderate Be cautious with this combination.Talk with your health provider.

The body naturally produces thyroid hormone. Shepherd's purse might decrease how much thyroid hormone the body produces. Taking shepherd's purse along with thyroid hormone might decrease the effectiveness of thyroid hormone.

Dosing

The appropriate dose of shepherd's purse 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 shepherd's purse. 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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References

Aksoy, A., Hale, W. H., and Dixon, J. M. Capsella bursa-pastoris (L.) Medic. as a biomonitor of heavy metals. Sci Total Environ. 2-9-1999;226(2-3):177-186. View abstract.

BADIA, A. [Saponins of Capsella bursa pastoris.]. Farmacognosia. 1954;14(31):53-90. View abstract.

Ceplitis, A., Su, Y., and Lascoux, M. Bayesian inference of evolutionary history from chloroplast microsatellites in the cosmopolitan weed Capsella bursa-pastoris (Brassicaceae). Mol.Ecol 2005;14(14):4221-4233. View abstract.

Chen, H. F., Wang, H., and Li, Z. Y. Production and genetic analysis of partial hybrids in intertribal crosses between Brassica species (B. rapa, B. napus) and Capsella bursa-pastoris. Plant Cell Rep. 2007;26(10):1791-1800. View abstract.

Dolia, V. S., Koreshchuk, K. E., Fursa, M. S., Ikhno, M. P., and Shkurupii, E. M. [Fatty oil from the seeds of shepherd's purse (Capsela bursa pastoris)]. Farm Zh. 1973;28(3):57-59. View abstract.

El Abyad, M. S., Morsi, N. M., Zaki, D. A., and Shaaban, M. T. Preliminary screening of some Egyptian weeds for antimicrobial activity. Microbios 1990;62(250):47-57. View abstract.

GARCIA MARQUINA, J. M., GALLARDO, VILLA M., and BADIA, GARRIGA A. [Saponin fraction of Capsella bursa pastoris.]. An Real Acad Farm 1955;21(1):49-60. View abstract.

Hintz, M., Bartholmes, C., Nutt, P., Ziermann, J., Hameister, S., Neuffer, B., and Theissen, G. Catching a 'hopeful monster': shepherd's purse (Capsella bursa-pastoris) as a model system to study the evolution of flower development. J Exp Bot. 2006;57(13):3531-3542. View abstract.

Hwang, J. H. and Lee, B. M. Inhibitory effects of plant extracts on tyrosinase, L-DOPA oxidation, and melanin synthesis. J Toxicol Environ.Health A 3-1-2007;70(5):393-407. View abstract.

Iurisson, S. M. [Flavonoid substances of Capsella Bursa pastoris (L.) medic]. Farmatsiia. 1973;22(5):34-35. View abstract.

Iurisson, S. M. [Vitamin content in shepherd's purse (Capsella bursa pastoris (L.) Medic.)]. Farmatsiia. 1976;25(4):66-67. View abstract.

Kuroda, K. and Akao, M. Antitumor and anti-intoxication activities of fumaric acid in cultured cells. Gann 1981;72(5):777-782. View abstract.

Kuroda, K. and Kaku, T. Pharmacological and chemical studies on the alcohol extract of Capsella bursa-pastoris. Life Sci. 2-1-1969;8(3):151-155. View abstract.

Kuroda, K. and Takagi, K. Physiologically active substance in Capsella bursa-pastoris. Nature 11-16-1968;220(168):707-708. View abstract.

Kuroda, K. and Takagi, K. Studies on capsella bursa pastoris. I. General pharmacology of ethanol extract of the herb. Arch.Int.Pharmacodyn.Ther. 1969;178(2):382-391. View abstract.

Kuroda, K. and Takagi, K. Studies on capsella bursa pastoris. II. Diuretic, anti-inflammatory and anti-ulcer action of ethanol extracts of the herb. Arch.Int.Pharmacodyn.Ther. 1969;178(2):392-399. View abstract.

Kuroda, K., Akao, M., Kanisawa, M., and Miyaki, K. Inhibitory effect of Capsella bursa-pastoris extract on growth of Ehrlich solid tumor in mice. Cancer Res. 1976;36(6):1900-1903. View abstract.

Kuroda, K., Akao, M., Kanisawa, M., and Miyaki, K. Inhibitory effect of Capsella bursa-pastoris on hepatocarcino-genesis induced by 3-methyl-4-(dimethylamino)azobenzene in rats. Gann 1974;65(4):317-321. View abstract.

Lans, C., Turner, N., Khan, T., Brauer, G., and Boepple, W. Ethnoveterinary medicines used for ruminants in British Columbia, Canada. J Ethnobiol.Ethnomed. 2007;3:11. View abstract.

Miyazawa, M., Uetake, A., and Kameoka, H. [The constituents of the essential oils from Capsella bursa-pastoris Medik (author's transl)]. Yakugaku Zasshi 1979;99(10):1041-1043. View abstract.

Park, C. J., Park, C. B., Hong, S. S., Lee, H. S., Lee, S. Y., and Kim, S. C. Characterization and cDNA cloning of two glycine- and histidine-rich antimicrobial peptides from the roots of shepherd's purse, Capsella bursa-pastoris. Plant Mol.Biol 2000;44(2):187-197. View abstract.

Park, J. W., Park, B. K., and Kim, J. E. Remediation of soil contaminated with 2,4-dichlorophenol by treatment of minced shepherd's purse roots. Arch Environ.Contam Toxicol 2006;50(2):191-195. View abstract.

Wiese, W. J. and Joubert, J. P. Suspected nitrite poisoning in pigs caused by Capsella bursa-pastoris (L.) Medik. ('herderstassie', shepherd's purse). J S.Afr.Vet.Assoc 2001;72(3):170-171. View abstract.

Shipochliev T. Uterotonic action of extracts from a group of medicinal plants. Vet Med Nauki 1981;18:94-8. View abstract.