Is it anxiety or over active bladder.

I have to wokeup early to pee my yellow pee little bit nd wait in bathroom for 10 min jaha ruk ruk kar pishab aata ek bar complete hone k bd hlke hlke no pain no burning sensation urine test kft cbc all normal ultrasound doc told cystitis doc giveme antibiotics for 5 days but i have fear to take them bcz i heard after stopping antibiotics disease come again with more powerful nd i am hypochondriac or anxiety issue so my urine test are normal so should i go to take antibiotics or leave it although i hold my pee about 1 2 hours but once i pee i have to shot again. n again to empty my bladder what exactly going on with me kindly consult i have no issue of urination before these days in my life am masturbate more likelyin every 3 days since 3 4 years am no sexually active just i have bad posture