Ashtangasamgraha 40.5

40.5

samyagdagdhaliṅgaṃ punassaśabdaṃ dahanaṃ durgandhitvaṃ tvaksaṅkocaśca tvagdagdhe |

kapotavarṇatvamalpaśopharujatā śuṣkasaṅkucitavraṇatā ca māṃsadagdhe |

kṛṣṇonnatavraṇatvaṃ sthite ca rakte lasīkāsrutiḥ sirādagdhe |

kṛṣṇāruṇakarkaśasthiravraṇatā snāyvādidagdhe ca |

durdagdhātidagdhayostu pramādadagdhavallakṣaṇam |

cikitsitaṃ ca ||

Further, the sign of a proper burn: in a burn of the skin, there is burning accompanied by sound, a bad odor, and contraction of the skin.
In a burn of the flesh, there is a dove-gray color, slight swelling and pain, and a dry, contracted wound.
In a burn of a vein, there is a black and elevated wound, and, when the blood has stopped, an exudation of lymph.
In a burn of ligaments and the like, there is a blackish-red, rough, and firm wound.
The signs of an insufficient burn and an excessive burn, however, are like those of an accidental burn;
and so is the treatment.