When is ultrasound used for breast inflammation?

It uses sound waves and does not expose the breast to ionising radiation. The scan supports the clinical examination; it does not replace evaluation of redness, pain, fever, feeding history, or response to treatment.

Mastitis is inflammation of breast tissue and commonly presents with a painful, warm, swollen or red area. It can occur during breastfeeding, although inflammation and infection can also occur outside lactation. If symptoms are focal, severe, not improving as expected, or suggest a deeper collection, ultrasound can show whether fluid is present and help map its location.

The person performing the scan applies gel and moves a handheld probe over the symptomatic area. Images may show inflamed tissue, a cyst, a dilated milk duct, or a collection that needs sampling or drainage. Results must be interpreted alongside the examination.

Tell the imaging team exactly where symptoms began, whether you are pregnant or breastfeeding, and whether you have had breast surgery or treatment. Wear clothing that makes the breast easy to access and bring details of any medicines already started. Ultrasound usually requires no special preparation.

The next step depends on both the scan and your symptoms. A fluid collection may be drained and tested, while inflammation without a drainable collection may be managed medically. Breastfeeding support can address latch, positioning, milk flow, and nipple injury when these contribute to ongoing discomfort.

Contact a clinician promptly for breast redness, warmth, swelling, or pain with fever, chills, pus, or feeling markedly unwell. Seek reassessment if symptoms spread or worsen despite treatment, or if a lump remains after inflammation settles. Skin dimpling, bloody nipple discharge, a newly inverted nipple, or a persistent change in shape also warrants timely breast assessment.

Useful questions include whether the scan found a drainable collection, whether a sample is needed, how follow-up will confirm resolution, and what to do if fever or swelling increases. If you are nursing, ask which feeding or expressing approach will protect comfort and milk flow during recovery.