Hello Dr. Samuel, i used to protein after work out, after a while i start feeling pain in my penis after urinating, not all the time, this pain was happening while i was not using a more than 3 ltr water a day. i went to doctor, he prescribed Anti Bio-tics, i used. i felt better for a month and now it is starting to come back. i feel pain 4 times day, 20 to 30 mins each time. i went to doctor again and he gave me urine Examination. in the examination everything seemed fine. the doctor gave me Disodium Hydrogen Citrate Liquid. Please advise me, the pain is very annoying. Thank you very much, Your help is greatly appreciated doctor