Nipple Discharge

Who gets nipple discharge

Nipple discharge is more common if you're pregnant or breastfeeding. But it can affect anyone.

Liquid may leak from your nipples on its own or when they're squeezed. It can be lots of different colours, including clear, white, yellow, green or bloody.

Nipple discharge may be nothing serious, but sometimes it can be a sign of an underlying condition, including a breast cyst or breast cancer. You should always get it checked.

When and where to get medical help

If you have nipple discharge, it's important to get checked. If it is a sign of breast cancer, finding it early can make it easier to treat.

See a GP if:

you have nipple discharge from either nipple

Check your symptoms with NHS 111 online

If you're worried about your symptoms, NHS 111 online can help you find the support or treatment you may need.

Get help from 111 online

What happens at your appointments

If you have nipple discharge, the GP will examine your breasts or chest.

They may refer you to a hospital or breast clinic for further tests, which may include:

an examination of your breasts or chest
a mammogram (breast X-ray) or an ultrasound scan
a small sample of cells taken for testing (biopsy) - this is done using a needle

The tests are often done during the same visit.

The hospital or breast clinic should let you know when and how you'll get your tests results. Some may be available that day. Others, such as a biopsy, can take several weeks.

Further information

Breast Cancer Now: what happens at a breast clinic appointment

Causes of nipple discharge

Nipple discharge has many possible causes.

Common causes include:

pregnancy or breastfeeding, which can lead to leaking from your nipples
non-cancerous changes in the breast that happen with age (duct ectasia)
a blocked or enlarged milk duct
a small, non-cancerous lump in the breast (papilloma)
a breast infection (mastitis)
a side effect of a medicine, including the contraceptive pill

Nipple discharge can sometimes be a sign of breast cancer, so it's important to get it checked.

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