When to worry about nipple discharge if you have duct ectasia

Duct ectasia happens when a milk duct beneath the nipple becomes widened and its lining changes. Fluid can collect in the duct and appear at the nipple. The fluid may be thick, sticky, or differently coloured, and the nipple may feel tender or irritated.

Discharge can also have another cause, including infection or a different duct problem. A change in pattern matters: discharge that starts without pressure, comes from one breast, becomes bloody, or appears with a lump should not be assumed to be duct ectasia without assessment.

Arrange a routine appointment if the discharge keeps returning, bothers you, or is accompanied by nipple tenderness or a feeling of fullness behind the nipple. Write down its colour, thickness, smell, frequency, and whether it appears spontaneously. Do not squeeze the nipple repeatedly, as stimulation can encourage more fluid.

Wash gently and keep the area dry. A clinician may examine the breast and armpit and decide whether imaging or treatment for inflammation is needed. Follow the plan given, even if the discharge settles temporarily.

Seek prompt medical advice for blood-stained discharge, a new lump, nipple inversion, skin dimpling, increasing redness, warmth, swelling, or fever. Same-day review is sensible when pain and swelling are worsening or the discharge smells unpleasant. Urgent care is needed if you feel faint, severely unwell, or have rapidly spreading redness.

Ask whether the discharge pattern fits duct ectasia, whether an examination or scan is needed, how to manage irritation, and which symptoms should trigger an earlier appointment.