Hi, According to your description the possibilities are: -Vaginal infection, during the menopause the possibility of pelvic infections are more because of loss of protective mechanisms at the external genitalia like the acidic pH will be altered, vaginal mucus will also lose its moisture. - Hydrometra or pyometra, that is watery or pus collection in the uterus, which can occur due to cervical stenosis and atrophied uterine endometrium. - Other local causes like cervical erosion, polyps, minor abrasions can also lead to brownish discharge. According to your age and symptom, better to consult your gynecologist once get examined and undergo investigations like pap smear, vaginal swab culture and sensitivity, ultrasound,etc. with this work up the possible causes of your problem can be identified and treatment can be taken accordingly. Take care. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Sree Gouri S. R., OBGYN