Thanks for your query.Based on the facts that you have posted it appears that you have grade one Benign Enlargement of Prostate.This is a ageing process affecting males after the age of 60 years and is not a serious problem at all.
The voiding and irritative bladder symptoms that you have are due to enlarged prostate
There are two treatment options .
1) Take medications like alpha blockers to improve your urine flow and reduce frequency and Nocturia
2) Take anti muscaranic drugs like Darifenacin
that will control involuntary
contractions of bladder and will help to control urgency.
Second option is to undergo surgery to resect prostate gland (TURP).This is gold standard method to resect the enlarged prostate and offers permanent cure.