Ashtangasamgraha 24.43

24.43

varcomūtragrahādyāśca jāyante 'tivilaṅghanāt |

atikārśyena nāyāsavarṣaśītoṣṇatṛṭkṣudhaḥ ||

yāpanā bastayaḥ prāyo madhurāḥ sānuvāsanāḥ ||

Retention of feces and urine and other troubles arise from excessive fasting; / due to extreme emaciation, [the patient cannot bear] exertion, rain, cold, heat, thirst, and hunger; / sustaining enemas, mostly sweet, along with unctuous enemas [should be given].