Asoka (Saraca asoca) is primarily recognized in traditional Ayurvedic medicine for its benefits in gynecological disorders and wound healing, including the treatment of external ulcerations. Historical Ayurvedic texts such as the Charaka Samhita and Sushruta Samhita mention the use of Asoka bark and flowers in preparations applied topically for ulcers, wounds, and skin conditions. The rationale for its use is largely based on its reputed astringent, anti-inflammatory, and healing properties, which are believed to aid tissue repair and reduce local irritation.

Scientific evidence supporting the use of Asoka for external ulcerations is limited. A few in vitro and animal studies suggest that extracts of Saraca asoca possess anti-inflammatory and antimicrobial activities, which could potentially contribute to wound healing. However, these studies are preliminary and do not directly evaluate clinical efficacy in human ulcerations. There are no well-designed clinical trials substantiating its specific benefit for external ulcers.

In summary, the use of Asoka for external ulcerations is justified primarily by traditional practice rather than robust modern scientific evidence. Its historical application is well-documented in Ayurveda, but more rigorous scientific studies are needed to confirm its effectiveness and safety for this indication.