[Etiology and pathogenesis of internal abscess] Excessive use of cold/stale, irritant, hot, un-unctuous and dry food articles, diet with incompatible or unwholesome articles, indigestion, spoiled foods,
irregular eating, imbibing spoiled and excessive wines, suppression of natural urges, fatigue, exercise in distorted postures, excessive sleep, carrying heavy loads, excessive wayfaring and excessive sex-activity are the etiological factors of internal abscess.
The dosha provoked by the above-mentioned factors, when it enters the flesh and blood of the internal organs of the body, gives rise to deep-rooted nodule-like swellings with severe pain.
दुष्टरक्तातिमात्रत्वात् स वै शीघ्रं विदह्यते| ततः शीघ्रविदाहित्वाद्विद्रधीत्यभिधीयते ||९५||
[Etymology of vidradhi] Excessively provoked rakta causes quick softening and formation of pus. Owing to its quickly suppurating (vidahi) characteristic, it is called vidradhi