IDDF2018-ABS-0091 Folk herbal medicine for oral ulcer: a qualitative interview with 20 thai folk healers

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Uncomplicated oral ulcer is common in both adult and children. In addition to symptomatic treatment using western medicine, many traditional herbal recipes for oral ulcer have been less recognised and should be preserved. This study aimed to explore existing folk medicine knowledge and herbal recipes.


This qualitative study applied both semi-structured interviews with 20 purposively selected folk healers in Kalasin, Thailand and ethnobotany methodology. The interviews focused on oral ulcer diagnosis and treatment experience as well as essential details of the ingredients. The data were analysed using thematic content analysis and descriptive statistics.


Five herbal recipes and 17 herbs (28 species from 16 families) were identified from the interview. Nine species from family FABACEAE (LEGUMINASAE) were the most commonly mentioned for their astringent and anti-inflammatory effects. Regarding the part used of medicinal plants, the survey indicated that the use of barks, from 10 species, were frequently found. With informant consensus factor, Areca catechu Linn. and Sesbania grandiflora (Desv.) Linn. were the most recognised by 12 and 11 folk healers, respectively.


Herbal species from the family FABACEAE have been considered useful by Thai folk healers in Kalasin. Their astringent and anti-inflammatory properties should be further tested.

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