Ashtangasamgraha 6.23

6.23

lūtāditantuviṇmūtraviṣasaṃśleṣadūṣitam |

tat kuryāt snānapānābhyāṃ tṛṣṇādhmānodarajvarān ||

anye punarācakṣate doṣadhātumalasannipātajanito 'ntarūṣmā yathānirdiṣṭādhiṣṭhānakarmāgniriti ||

vikāraiḥ spūśyate jātu na sa śārīramānasaiḥ ||

tadvadrāsnābṛhatyādibalāmudgaiḥ sacitrakaiḥ ||

nireti mūrchāhṛllāsatṛḍdāhādīn pravartayan ||

Corrupted by contact with spider and other [creatures'] web, feces, urine, or poison; / through bathing and drinking, it produces thirst, distension, abdominal disease, and fever. // But others declare: "The internal heat produced by the confluence of doṣa, bodily tissue, and waste product, possessing the aforementioned location and action, is agni." // He is never touched by afflictions, physical or mental. // Likewise with rāsnā, bṛhatī and others, balā, mudga, and citraka. // It comes out, causing fainting, nausea, thirst, burning sensation, and the like.