Charak Samhita
ज्ञात्वा दोषावनुबलौ बलमाहारमेव च। जलं पिपासवे दद्याद्विसर्गादल्पशोऽपि वा ॥५२॥
Water should be given to the thirsty patient up to complete satisfaction of thirst or in small quantity considering the associated doshas, strength as well as diet (of the patient).
english translation
jJAtvA doSAvanubalau balamAhArameva ca। jalaM pipAsave dadyAdvisargAdalpazo'pi vA ॥52॥
hk transliteration by Sanscript