UTI (URINARY TRACT INFECTION) Not sure.

Can masturbate cause UTI or not? I dont have e coli bacteria but m facing frequency urination or urgent need to urine, My all test are ok I have minor stone 3.6mm only .my doctor prescribed me MIRAGO 25 mg tablet for OAB OverActive Bladder. I need to know what can I do take this medicine continuous or not for how many months i take ? Plz help doctor can masturbation cause UTI.I Dont drink caffeine product like coldrink, sodas, fizzy drink, Alcohol, cigerate anything it's rare like nothing I consumption. My all test ok CT scan, ultrasound, Uroflowmentary,sugar test,high uric acid culture test, but I will do my culture test for confirming UTI or not once again I test Urine culture.maybr m facing again again UTI maybe it's RUTI Recurrent UTI or overactive Bladder m not sure. M taking MIRAGO 25 mg continuous for 1 time night time daily after dinner can i take bcoz my doctor said you don't have e coli m recover from e coli plz help what can I do m taking water or juice overweight cause UTI