See tikshna agni - Sharp (or tikshna) digestion; one of the three categories of disturbed agni (three clinical types of agni) ; digestion that is affected by the hot, sharp, and penetrating attributes of pitta dosha, causing excessively strong appetite and hyperactive metabolism including acid belly, heartburn, acid reflux, acid regurgitation, irritable bowel syndrome (IBS), colitis, diarrhea.
See three clinical types of agni (vishama agni of vata, tikshna agni of pitta and manda agni of kapha). See also stomach or ama shaya (amashaya). Related to pachaka pitta, samana vayu and kledaka kapha.
See also agni, subtypes of agni, ama (toxins and undigested food). See also gastrointestinal tract.
Vaidya Vasant Lad, Textbook of Ayurveda Volume 1, 2001: p. 311