Charak Samhita
उष्मणा सोष्मकं मूत्रं शोषयन् रक्तपीतकम्। उष्णवातः सृजेत् कृच्छ्राद्बस्त्युपस्थार्तिदाहवान्॥३८॥
॥ Ushnavata ((vata-pitta affliction of urine/burning micturition)॥ Due to indulgence in ushma (factors that increase the heat in the body), there will be mutra shosha (decrease in mutra), raktapita mutra (reddish or yellowish urine), passed with difficulty (krichchrat), causing arti (pain) and daha (burning) in basti (urinary bladder) and upastha (genitalia). This is ushnavata.
english translation
uSmaNA soSmakaM mUtraM zoSayan raktapItakam। uSNavAtaH sRjet kRcchrAdbastyupasthArtidAhavAn॥38॥
hk transliteration by Sanscript