Gua sha is a healing technique of traditional East Asian medicine. Sometimes called ‘coining, spooning or scraping’, Gua sha is defined as instrument-assisted unidirectional press-stroking of a lubricated area of the body surface to intentionally create transitory therapeutic petechiae called ‘sha’ representing extravasation of blood in the subcutis.

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Modern research shows the transitory therapeutic petechiae produce an anti-inflammatory and immune protective effect that persists for days following a single Gua sha treatment accounting for the immediate relief that patients feel from pain, stiffness, fever, chill, cough, wheeze, nausea and vomiting etc