Welcome to HCM.Frequent urination
is most likely due to urinary tract infection
after unprotected sex.
Spotting might be due to some hormonal
disturbances even spotting may occurs during ovulation phase and after forceful,rough unprotected sex.
Get examined by gynecologist for better guidance and proper medical management.
Drink more water and other liquids.
You are advised to go for URINE R/M,FBS AND PPBS for screening diabetes
Start fluroquinolone group antibiotic under guidance of your doctor.