Astanga Hrudaya
चतुर्धा तत्तु तुच्छेन सह तुछस्य लक्षणम्। त्वग्विवर्णाष्यतेऽत्यर्थं न च स्फोटसमुद्भवः॥४७॥
Signs of insignificant/inadequate improper and excessively done agnikarma: The signs of inadequate burns are discoloration of the skin, severe burning sensation and absence of manifestation of boils/blisters. In case of improper burning, there is the appearance of blisters, burning sensation, and severe burning pain.
english translation
caturdhA tattu tucchena saha tuchasya lakSaNam। tvagvivarNASyate'tyarthaM na ca sphoTasamudbhavaH॥47॥
hk transliteration by Sanscript