Hello doctor, my boyfriend has been having severe pain while urinating. The Pain is like sharp knife,after drinking plenty of water the pain lightly decreased but then increase again. Now the biggest problem is , few days ago he notice just after he wee he got few drip of sperm coming out . Beside having severe pain only while urinating, he saw few drops of blood in his urination as well as his urination colour is yellowish. Please can you advice urgently. Thank you