breast with fever

Overview

Mastitis is inflammation or infection of breast tissue. It often causes breast pain, swelling, warmth, and redness, and it may come with a fever. It usually affects people who are breastfeeding, but it can also happen at other times.

Yes, mastitis is common, especially among people who are breastfeeding. It affects about 1 in 5 breastfeeding women at some point.

Women who are breastfeeding are most likely to get mastitis, but it can affect anyone with breast tissue. It can also occur in people who are not breastfeeding, though this is less common.

Symptoms

Common symptoms

• Breast pain or tenderness
• Swelling and a feeling of fullness in one breast
• Redness or warm skin on the breast
• Fever, often with chills
• Body aches and tiredness

Symptoms in children

• In infants, a swollen, tender breast with fever is rare but can be a sign of infection. This needs quick medical attention.

Symptoms in older adults

• In older adults, breast pain with fever is usually an infection, but a doctor should check any new breast change to rule out other causes.

Causes

Main causes

• Bacteria entering the breast through a cracked or sore nipple
• Milk stasis, which is milk staying in the breast for too long
• A blocked milk duct that becomes infected

Risk factors

• Breastfeeding, especially in the first few months
• Having cracked nipples or a history of mastitis
• Smoking
• Stress and poor sleep affecting your immune system

When to see a doctor

See a doctor urgently if:

• If you have a fever along with breast pain, redness, or swelling
• If you feel very unwell or your symptoms are worsening quickly

Book a routine appointment if:

• If you have a new breast lump or pain that does not go away
• If you have had mild breast symptoms for more than a few days

Diagnosis

Your doctor will ask about your symptoms, review your medical history, and examine your breasts. They may also use an ultrasound to look for a pocket of pus (abscess).

Tests that may be done

• Clinical breast examination
• Ultrasound of the breast
• A small sample of breast milk for testing, if needed

What to expect at your appointment

The examination is usually quick. You may be asked to remove clothing from the waist up and wear a gown. Tell your doctor if any part feels tender or painful.

Treatment

Mastitis is usually treated with antibiotics, rest, and fluids. If an abscess forms, it may need to be drained.

Self-care at home

• Rest and drink plenty of fluids
• Use a warm compress on the breast before feeding or pumping
• Keep breastfeeding or expressing milk regularly, even if it hurts
• Massage the breast gently while feeding
• Take simple pain relief as recommended by a pharmacist

Medical treatments

Antibiotics are the standard treatment for a bacterial breast infection. Your doctor will prescribe an antibiotic that is safe for you. If you have an abscess, a needle or tiny incision can drain the pus. Finish the entire course of antibiotics even if you feel better.

When is surgery considered?

Most breast infections do not need surgery. If a large abscess is present, a minor drainage procedure may be done in an outpatient clinic.

Living with this condition

Give yourself time to rest while you recover. You can continue most daily activities, but listen to your body. If you are breastfeeding, keep feeding or pumping to keep milk moving through the breast.

Lifestyle tips

• Support your recovery with good nutrition and plenty of fluids
• Avoid tight-fitting bras that add pressure to the breast
• Try gentle activity like walking once you feel able
• Ask family or friends for help with chores and baby care

Diet and exercise

Eat balanced meals and drink enough water. Gentle exercise like walking is fine once you feel up to it, but don't push yourself.

Mental health and emotional wellbeing

A painful, swollen breast can be stressful and exhausting. It is normal to feel worried or frustrated. Be kind to yourself and let others help you.

Prevention

You can reduce your risk of mastitis by ensuring a good latch during breastfeeding, feeding on demand, and treating cracked nipples early.

Complications

If left untreated

• Breast abscess, a collection of pus in the breast
• Sepsis, a life-threatening whole-body infection
• Recurrent mastitis that keeps coming back

Long-term outlook

With early treatment, most breast infections improve within a few days. Full recovery is very likely, and in most cases there is no lasting harm to your breast or your ability to breastfeed.

Find support

External links open third-party websites. Ruqelo Health is not responsible for external content. Listing an organisation does not imply endorsement.