Iam A 62 Yr Old Male Cant Sleep Up Every

iam a 62 yr old male cant sleep up every hour going to the bathroom,my doctor has me on finasteride 5mg twice a day for a bout a month and still no relief,have had some blood in the urin ,last week she took some blood checking PSA i have an appointment next week,now iam having pain in my left side close to the groin