Quick Summary
Shepherd’s Purse (Capsella bursa-pastoris) is a plant species belonging to the Brassicaceae family that has been traditionally used in ethnomedicine. Despite its common traditional use, current published clinical evidence regarding its medicinal benefits, safety, and potential interactions is limited. Most existing research focuses on agricultural, botanical, and ecological aspects rather than direct clinical studies.
What is it?
Shepherd’s Purse is a small flowering plant widely found in many regions worldwide. It is recognized by its heart-shaped seed pods resembling a shepherd’s purse, which is the origin of its common name. The plant has a long history of use in traditional medicine systems for various purposes.
Traditional Uses
Traditionally, Shepherd’s Purse has been used in ethnomedicine for conditions such as bleeding disorders, inflammation, and other ailments. It has also been included in natural drug formulations aimed at treating chronic skeletal disorders, including rheumatoid arthritis, although these uses are mostly anecdotal or based on historical practices.
Active Compounds
Specific active compounds of Shepherd’s Purse are not well defined in the available clinical literature. Like many plants in the Brassicaceae family, it may contain glucosinolates and flavonoids, but detailed phytochemical profiles and their pharmacological roles require further research.
Potential Benefits with Evidence Levels
- Potential use in chronic skeletal disorders (including rheumatoid arthritis)
Evidence level: Limited human clinical evidence
Summary: A literature review of natural drugs used in chronic skeletal disorders included Shepherd’s Purse among plants employed in rheumatoid arthritis treatment. Mild adverse reactions were reported in these studies. However, robust clinical trial data on efficacy, especially isolated to Shepherd’s Purse, are lacking.
Side Effects
There is limited clinical safety data available for Shepherd’s Purse. Mild adverse effects have been observed when used as part of natural drug combinations for chronic skeletal disorders. Reported side effects include:
- Skin rash
- Gastric dysfunction
- Abnormal urine
- Constipation
- Irritability
No specific clinical safety trials evaluating Shepherd’s Purse alone have been identified.
Drug Interactions
No direct evidence from current data regarding drug interactions with Shepherd’s Purse has been reported. Caution is advised when combining with other medications due to insufficient information.
Who Should Avoid It
There are no documented specific contraindications for Shepherd’s Purse based on available clinical evidence. However, safety during pregnancy and breastfeeding has not been established due to a lack of clinical data; therefore, use during these periods should be approached with caution.
Evidence Limitations
- No randomized controlled trials, systematic reviews, or meta-analyses specifically investigating clinical efficacy or safety of Shepherd’s Purse were identified.
- Existing clinical reports focus on Shepherd’s Purse as part of herbal combinations rather than isolated evaluation.
- Most research emphasizes plant biology, agriculture, and ecology rather than clinical medicinal use.
- Because of limited robust clinical data, any medical claims regarding therapeutic effects should be interpreted cautiously.
- Safety information is based mainly on observational data and literature reviews rather than controlled safety trials.
References
- Zhou D, Zhang H, Xue X, Tao Y, Wang S, Ren X, Su J. Safety Evaluation of Natural Drugs in Chronic Skeletal Disorders: A Literature Review of Clinical Trials in the Past 20 years. Frontiers in Pharmacology. 2021. DOI: 10.3389/fphar.2021.801287. PMID: 35095508.
- Shepherd’s Purse (Capsella bursa-pastoris (L.) Medik). Handbook of Medicinal Plants of the World for Aging. 2023. DOI: 10.1201/9781003301455-39.
- Capsella bursa-pastoris (shepherd’s purse). PlantwisePlus Knowledge Bank. 2022. DOI: 10.1079/pwkb.species.11223.
Last Reviewed
June 2024
Disclaimer: This page is for informational purposes only and does not constitute medical advice. Shepherd’s Purse and its preparations should not replace professional medical care. Consult a healthcare provider before using this herb, especially if you are pregnant, breastfeeding, have existing health conditions, or are taking other medications.