Hārīta's Compendium of Medicine 3.3.38.4

3.3.38.4

tasya cemaṃ pratīkāraṃ vakṣyāmi śṛṇu putraka
rohiṇī viśadā caiva vijayā ca vibhedinī

Just as fire whose fuel is burnt out [subsides], just as poison having destroyed the bodily tissues [ceases], / so fever, having accomplished its aim by destroying the body, attains peace.