Hi Sir/Madam My dad went through third round of tip chemotherapy which got ended last night we were back home he was all fine today he had breakfast and lunch by evening while drinking ORS he has gone unconscious like currently he is in hospital because of being unconscious he currently opens his eyes when we call but can't speak and gets back to sleep all his reports like CBC electrolytes everything is normal he doesn't have sugar or BP also What could have caused this situation and how long will it take for him to recover please help asap as we are in hospital please help