Hi doctor, I am 38 year old guy few years back I am suffering from sexual life when intercourse with my wife just 2 minutes below I am off my wife requesting me do more and more after few mins say 25 to 30 min I am not able to participate with my wife she is totally disappointed a lot. But I recently checked my sugar level its consumed that as I am a sugar patient. And according to doctor suggestion I have gone for test before getting medicine for sexual life. Its Serum creatinine *1.4 mg/dl but normal level is 0.4 to 1.2 mg/dl and serum testosterone *2.5 mg/dl. So please tell me what does it mean?. So please sir/madam what kind of medicine which use?