Hello, Thanks for sharing your health concern with us. Your abnormal menstrual pattern is likely to be caused by the infection in the vagina which you are experiencing. You need a proper clinical examination, swab test from the cervix and vagina, a pap smear, urinalysis and blood counts. Further management can be planned accordingly. You may use styptics to control the spotting. Please maintain proper genital hygiene. Your sexual partner also may need to get examined and treated if necessary. Hope this helps.