Gua Sha Precautions: Safety Guidelines for Effective Scraping
Published 2026-06-03 · 215 words · Acupressure
Gua Sha (scraping therapy) is a traditional Chinese medicine technique that involves scraping the skin with a smooth-edged tool to promote blood circulation and release toxins. While highly effective, proper precautions are essential to ensure safety and maximize benefits. Below are key guidelines based on TCM principles.
If the patient experiences 'scraping syncope' (pale face, cold sweat, dizziness, palpitations, nausea, vomiting, cold limbs, or fainting), immediately stop the procedure. Lay the patient flat, offer warm water or tea. For severe cases, stimulate acupoints such as Baihui (GV20), Renzhong (GV26), Neiguan (PC6), Yongquan (KI1), or Zusanli (ST36), and consider emergency measures.
For preventive health, use gentle, even pressure (about 26 strokes per area) without inducing visible 'sha' marks. In winter, scraping can be performed over clothing to still relax muscles, invigorate blood, and promote longevity.
Gua Sha should be combined with other TCM modalities such as acupuncture, tuina, cupping, electroacupuncture, or herbal medicine to enhance therapeutic outcomes.
References
1. Huangdi Neijing (The Yellow Emperor's Classic of Internal Medicine) – foundational text discussing blood circulation and external therapies.
2. Bencao Gangmu (Compendium of Materia Medica) by Li Shizhen – references to scraping tools and their uses.
3. Shanghan Lun (Treatise on Cold Damage Disorders) by Zhang Zhongjing – principles of external treatment and prevention of wind-cold invasion.