Charak Samhita
मूत्रं धारयतो बस्तौ वायुः क्रुद्धो विधारणात्। मूत्ररोधार्तिकण्डूभिर्वातबस्तिः स उच्यते॥३७॥
॥ Vatabasti (vata affliction of bladder)॥ Withholding the urine in the basti causes vata to aggravate which causes mutrarodha (urinary obstruction), arti (pain), kandu (itching) and this is called vatabasti.
english translation
mUtraM dhArayato bastau vAyuH kruddho vidhAraNAt। mUtrarodhArtikaNDUbhirvAtabastiH sa ucyate॥37॥
hk transliteration by Sanscript