Soothing the Itch: The Role of Medicinal Plants in Alleviating Pruritus in Palliative Care.

作者信息

Gonçalves Sara, Fernandes Lisete, Caramelo Ana, Martins Maria, Rodrigues Tânia, Matos Rita S

机构信息

Academic Clinical Center of Trás-os-Montes and Alto Douro (CACTMAD), University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal.

School of Health, University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal.

出版信息

Plants (Basel). 2024 Dec 16;13(24):3515. doi: 10.3390/plants13243515.

Abstract

Chronic pruritus, or persistent itching, is a debilitating condition that severely impacts quality of life, especially in palliative care settings. Traditional treatments often fail to provide adequate relief or are associated with significant side effects, prompting interest in alternative therapies. This review investigates the antipruritic potential of eight medicinal plants: chamomile (), aloe vera (), calendula (), curcumin (), lavender (), licorice (), peppermint (), and evening primrose (). These plants are analyzed for their traditional applications, active bioactive compounds, mechanisms of action, clinical evidence, usage, dosage, and safety profiles. Comprehensive searches were conducted in databases including PubMed, Web of Science, Scopus, and b-on, focusing on in vitro, animal, and clinical studies using keywords like "plant", "extract", and "pruritus". Studies were included regardless of publication date and limited to English-language articles. Findings indicate that active compounds such as polysaccharides in aloe vera, curcuminoids in turmeric, and menthol in peppermint exhibit significant anti-inflammatory, antioxidant, and immune-modulating properties. Chamomile and calendula alleviate itching through anti-inflammatory and skin-soothing effects, while lavender and licorice offer antimicrobial benefits alongside antipruritic relief. Evening primrose, rich in gamma-linolenic acid, is effective in atopic dermatitis-related itching. Despite promising preclinical and clinical results, challenges remain in standardizing dosages and formulations. The review highlights the necessity of further clinical trials to ensure efficacy and safety, advocating for integrating these botanical therapies into complementary palliative care practices. Such approaches emphasize holistic treatment, addressing chronic pruritus's physical and emotional burden, thereby enhancing patient well-being.

摘要
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3ae5/11677410/585ec9a36da3/plants-13-03515-g004.jpg

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