Frequent urination at night. Diet.

Would like to bring in your notice.i have been suffering from frequent urination at night.i go atleast 10 to 15 times at night before bed.got blood sugar level tested fasting 80 after lunch 84 .to confirm this i got hba1c done 5.5 result.got ultra sound done.no stone.met urologist and was advised to have soliten 5 mg for 2 weeks.i took that medicine that time was fine after couple of days, its again started.got urine test also done no infection was found.however before this i have also suffering from urticaria.was taking homeopaty treatment.since its all started.would just like to know.should i continue soliten 5 mg for sometime.or is there any other symtoms you see.should i drink more water or liquid diet...kindly advise me any other suggestion.hope my problem would be sorted out.