Blood in your underwear after menopause

The blood may come from the vagina, cervix, womb, urinary tract, or bowel, so its source is not always clear from underwear alone. A clinician can identify where it is coming from and decide which examination or tests are appropriate.

After menopause, lower oestrogen can make vaginal tissues thinner, drier, and easier to irritate. Other explanations include a cervical or womb polyp, infection, medicines that affect bleeding, or changes in the lining of the womb. Pelvic organ prolapse can also expose delicate tissue to friction.

Some womb or cervical cancers present with postmenopausal bleeding, but bleeding alone does not establish the cause. Assessment matters because benign and more serious conditions can look similar at first.

Arrange a medical appointment without waiting to see whether bleeding returns. Note when it began, its colour and amount, whether it followed sex, and whether you have pain, unusual discharge, urinary symptoms, or bowel symptoms. Bring a list of medicines, including hormone therapy and blood-thinning medicines.

Do not stop prescribed medicine on your own. Use a pad rather than an internal menstrual product while monitoring the bleeding, and mention if you are unsure whether the blood came from the vagina, urine, or rectum.

Seek urgent medical care if bleeding is heavy, you feel faint or weak, you have severe pelvic or abdominal pain, or you pass large clots. Fever with pelvic pain or foul-smelling discharge also needs prompt attention. Otherwise, book a timely assessment even when the spotting has stopped.

Ask which source of bleeding seems most likely, whether a pelvic examination, ultrasound, or sampling of the womb lining is suitable, and how you will receive the results. If dryness or irritation is found, ask which local treatments fit your medical history.