The Compendium of Caraka 6.19.5

6.19.5

athāvarakālaṃ vātalasya vātātapavyāyāmātimātriniṣeviṇo rūkṣālpapramitāśinastīkṣṇamadyavyavāyanityasyodāvartayataśca vegān vāyuḥ; prakopamāpadyate, paktā copahanyate; sa vāyuḥ kupito 'agnāvupahate mūtrasvedau purīṣāśayamupahṛtya, tābhyāṃ purīṣaṃ dravīkṛtya, atīsārāya prakalpate/

Then, in later times, in a person of vāta constitution who indulges excessively in wind, sun, and exercise, who eats dry, little, and measured food, who is constantly habituated to sharp alcohol and sexual intercourse, and who suppresses natural urges, vāta becomes aggravated, and the digestive fire is impaired; that aggravated vāta, when the fire is impaired, draws urine and sweat into the receptacle of feces, liquefies the feces with them, and brings about diarrhoea.