Ashtangasamgraha 17.6

17.6

A fiery substance abounds in the qualities of sharp, hot, dry, subtle, light, non-slimy, and form; it produces burning, cooking, illumination, luster, and complexion.
They destroy abscess, prostatic enlargement, abdominal distension, kuṣṭha, insanity, and epilepsy.
And [a disease] of long standing, accompanied by complications, with loss of vision, does not deserve puncturing.