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Breast Pain: Causes, Warning Signs, Tests & Treatment

  • Prof. Dr. Zahid Mahmood
  • August 10, 2026

Breast Pain: Causes, Warning Signs, Tests & Treatment

Medically reviewed by Prof. Dr. Zahid Mahmood, MBBS, FCPS — General, Laparoscopic & Laser Surgeon, Lahore.

Breast pain, also called mastalgia or mastodynia, is very common. It may feel aching, heaviness, tenderness, burning or a sharp localised pain. Most breast pain is benign and pain by itself is unlikely to be breast cancer. However, persistent focal pain or pain accompanied by a lump, nipple change, skin change or infection needs medical assessment.

Types of breast pain

Cyclical breast pain

Cyclical pain follows the menstrual cycle. It commonly:

  • Begins during the second half of the cycle, often one or two weeks before a period
  • Becomes worse before menstruation and improves when the period begins
  • Affects both breasts
  • Feels dull, heavy, swollen or tender
  • May spread towards the armpits or upper arms

It results from breast tissue responding to normal hormonal changes rather than from abnormal hormone levels. It often improves after menopause unless hormone therapy is being used.

Non-cyclical breast pain

Non-cyclical pain does not follow the menstrual cycle. It may affect one breast or a small, well-defined area and can occur before or after menopause. Causes include a cyst, previous injury or operation, infection, duct inflammation, pregnancy, medication and, less commonly, cancer.

Extra-mammary or chest-wall pain

Pain arising from muscles, ribs, joints or nerves is often felt as if it comes from the breast. Costochondritis, neck or shoulder problems, heavy lifting, coughing and a new exercise routine can cause this pain. It may worsen when you press a particular rib, move the arm or twist the upper body.

Reflux, gallbladder pain and heart conditions can occasionally be mistaken for breast pain. New chest pressure with breathlessness, sweating, nausea or pain spreading to the arm or jaw requires emergency assessment.

Common causes

  • Normal menstrual hormonal changes
  • Pregnancy, breastfeeding or weaning
  • Perimenopause or hormone replacement therapy
  • Breast cysts or general benign nodularity
  • Mastitis or breast abscess
  • Periductal mastitis or duct ectasia
  • Previous breast surgery, radiotherapy or trauma
  • Poor breast support during daily activity or exercise
  • Chest-wall muscle strain or costochondritis
  • Medicines, including some hormonal contraceptives, fertility treatments, antidepressants and other drugs

Do not stop prescribed medicine without discussing it with the prescribing clinician.

Is breast pain a sign of cancer?

Breast pain alone is rarely the presenting feature of breast cancer. Cancer is more concerning when pain is persistent and localised or occurs with a new lump, skin or nipple change, bloody discharge or enlarged lymph nodes. Because symptoms overlap, clinical assessment is appropriate when the pain is new, focal, persistent or unusual for you.

Warning signs

Arrange prompt medical review if breast pain is associated with:

  • A new lump or persistent area of thickening
  • Skin dimpling, puckering or an orange-peel appearance
  • A newly inverted nipple or persistent nipple rash
  • Spontaneous bloody or clear discharge from one nipple
  • A lump in the armpit or above the collarbone
  • A change in the size or shape of one breast
  • Persistent focal pain, especially after menopause
  • Symptoms that do not improve or repeatedly worsen

Seek urgent help for a red, hot, swollen and painful breast with fever or feeling unwell. This may indicate mastitis or an abscess. Persistent redness and swelling despite appropriate treatment also require reassessment.

How is breast pain assessed?

The clinician asks about the timing, site and character of pain; periods; pregnancy or breastfeeding; medication; previous operations; and family history. Both breasts, nipples, armpits and the chest wall are examined.

A pain diary for one or two menstrual cycles can help show whether symptoms are cyclical. Record the days of pain, severity from 0 to 10, menstruation and any medicines taken.

Do I need an ultrasound or mammogram?

Imaging is not always necessary for diffuse cyclical pain when examination is normal and there are no other concerning symptoms. It does not usually reveal a cause in this situation.

Imaging is more useful for clinically significant focal, persistent, non-cyclical pain or when there is a lump or abnormal examination. The test depends on age and circumstances:

  • Ultrasound is generally the first test in women under 30 and during pregnancy or breastfeeding
  • Diagnostic mammography, often with targeted ultrasound, is usually considered from age 30 or 40 according to the clinical situation and local practice
  • MRI is not a routine first test for breast pain alone

A new lump is assessed as a breast lump, often using triple assessment, rather than being attributed to pain.

Simple measures that can help

Wear a well-fitting supportive bra

Correct support during the day and a sports bra during exercise can reduce movement-related pain. Some women with severe pain also find a soft supportive bra helpful at night. A professional fitting may be worthwhile because breast size changes with age, weight, pregnancy and hormones.

Use appropriate pain relief

Paracetamol or an anti-inflammatory medicine such as ibuprofen may help if it is safe for you. A topical anti-inflammatory gel can be useful for localised pain, but it should not be applied to broken skin, the nipple or while breastfeeding without professional advice.

People with stomach ulcers, kidney disease, blood-thinning treatment, certain heart conditions, asthma triggered by anti-inflammatory drugs or pregnancy should ask a clinician before using NSAIDs.

Try warmth or cooling

A warm compress or a wrapped cool pack may reduce discomfort. Protect the skin and use whichever feels better.

Review activities and posture

If pressing a rib or moving the shoulder reproduces pain, reduce the triggering activity temporarily and consider posture correction or physiotherapy advice. Gradually return to exercise with appropriate support.

Keep a symptom diary

A diary helps avoid unnecessary treatment and can show whether symptoms settle naturally or relate to menstruation, medication or activity.

Do diet changes help?

Evidence that avoiding caffeine, chocolate or particular foods reliably treats mastalgia is inconsistent. A short personal trial is reasonable if you notice a reproducible trigger, but highly restrictive diets are unnecessary. Maintain a balanced diet and healthy weight.

Evening primrose oil and many supplements have uncertain benefit and can interact with medicines. Discuss them with a clinician, particularly during pregnancy, breastfeeding, seizure treatment, blood-thinning therapy or after breast cancer.

Medical treatment for persistent severe pain

Most women improve with reassurance, support and simple pain relief after an appropriate assessment. Severe pain that disrupts sleep, work or daily life may require referral to a breast specialist.

Specialist treatments such as tamoxifen or danazol may reduce difficult mastalgia but can cause important adverse effects and are not suitable for everyone. They should only be prescribed for a limited period after pregnancy risk, clot risk, liver health and other contraindications have been reviewed. Hormonal medicines should never be borrowed or started without specialist supervision.

Breast pain during pregnancy

Hormonal change commonly makes both breasts tender in early pregnancy. A persistent localised lump or one-sided focal pain should still be examined. Ultrasound is safe during pregnancy, and other investigations can be arranged when clinically required.

Breast pain during breastfeeding

Engorgement, blocked milk drainage, nipple trauma, mastitis and abscess can cause pain. Continue feeding or expressing as advised, ensure effective attachment and seek lactation support. Fever, a red wedge-shaped area, worsening pain or a fluctuant lump requires prompt medical review. An abscess may need ultrasound-guided drainage.

Breast pain after menopause

New non-cyclical or focal pain after menopause deserves assessment, particularly if it persists or examination is abnormal. Hormone replacement therapy can itself cause tenderness, but do not assume it is the cause without review.

Breast pain in men

Men can develop tenderness from gynaecomastia, medication, injury, infection or chest-wall pain. A hard one-sided lump, nipple change, discharge or an armpit lump requires prompt assessment.

Common questions

Why do my breasts hurt before my period?

Breast tissue responds to normal cyclical changes in oestrogen and progesterone. Pain typically increases before menstruation and eases when bleeding begins.

Can a breast cyst cause pain?

Yes. A cyst can become tense and tender. Ultrasound confirms whether a lump contains fluid, and aspiration may relieve a painful simple cyst.

Should I massage a painful breast?

Forceful massage of an unexplained lump or inflamed breast should be avoided. Gentle comfort measures may be used during lactation under appropriate guidance.

Does normal imaging mean the pain is imaginary?

No. Hormonal and chest-wall pain can be significant despite normal imaging. Normal assessment is reassuring and allows treatment to focus on symptom control and musculoskeletal causes.

Can stress cause breast pain?

Stress can increase muscle tension and pain sensitivity, but persistent pain should not automatically be dismissed as stress. Clinical assessment comes first when symptoms are focal, new or concerning.

Key message

Breast pain is common and usually benign. Cyclical pain often affects both breasts before a period, while focal non-cyclical pain may arise from the breast or chest wall. A supportive bra, pain diary and safe simple analgesia help many people, but persistent focal pain or pain with a lump, nipple or skin change needs proper assessment.

Breast pain assessment in Lahore

Prof. Dr. Zahid Mahmood assesses cyclical and non-cyclical breast pain, examines for lumps or infection and arranges age-appropriate ultrasound, mammography or biopsy when indicated.

For an appointment, call 0300 413 0159 or visit professorzahid.com.

This article provides general education and does not replace personal medical assessment. A breast lump, skin or nipple change, bloody discharge, fever or a red swollen breast requires prompt clinical review.

Medical references

  1. Williams NS, O’Connell PR, McCaskie AW, editors. Bailey & Love’s Short Practice of Surgery. 28th ed. CRC Press; 2023. Chapter 58, “The breast,” pp. 919–921.
  2. NHS. Breast pain: causes, self-care and when to seek help.
  3. Breast Cancer Now. Breast pain.
  4. American College of Radiology. ACR Appropriateness Criteria: Breast Pain.

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