I note you are male and in your 40's .
If in addition to what you have said , if the following is also true -
1. Having to get up frequently during the night to urinate
2. When you first feel the need to urinate , you cant resist it , i.e you cant hold it in .
3. Having to urinate more than 8 times in 24 hours , despite not drinking a lot of fluids , especially coffee and tea .
Then I would ask you GP to have a blood test , to check your PVA , in order to see if there is any suggestion of an abnormal prostate