What causes breast pain?
Breast pain is most often caused by monthly hormonal changes; other common causes are an ill-fitting bra, some medicines, strain of the chest-wall muscles and joints, and benign conditions such as cysts.
Doctors call breast pain mastalgia. It affects a large majority of women at some point in their lives and can range from mild tenderness to pain that interferes with sleep, exercise and intimacy. It is usually grouped into three types:
- Cyclical breast pain — linked to the menstrual cycle.
- Non-cyclical breast pain — not linked to the cycle, often in one area of one breast.
- Chest-wall pain — coming from the muscles, ribs or cartilage beneath the breast, but felt as breast pain.
Working out which type you have is the first step, because it guides both reassurance and treatment.
Breast pain on its own is rarely a sign of cancer. A new lump, skin or nipple change, or pain that stays in one spot should always be checked.
What is cyclical breast pain?
Cyclical breast pain is pain or tenderness that builds up in the days or week before a period and eases once the period starts.
It is the most common type of breast pain and is caused by the normal rise and fall of oestrogen and progesterone, which make breast tissue retain fluid and become more sensitive. Typical features:
- A heavy, dull or aching feeling, usually in both breasts.
- Pain often strongest in the upper outer part of the breast and sometimes spreading to the armpit or arm.
- Breasts that feel swollen and lumpy before a period.
- Most common between the late teens and the menopause.
Cyclical pain often improves on its own and usually stops after the menopause, although hormone replacement therapy (HRT) can bring it back. It can also start or change with hormonal contraception. If lumpiness is a large part of the picture, our page on benign breast lumps explains fibrocystic changes.
What is non-cyclical breast pain?
Non-cyclical breast pain is pain that has no link to the menstrual cycle; it is often felt in one specific area of one breast and is more common after the age of 40.
It may be constant or come and go, and is often described as burning, sharp or tight. Possible causes include:
- A breast cyst or other benign lump.
- Previous injury, surgery or biopsy to the breast.
- Infection, such as mastitis or a breast abscess, usually with redness and heat.
- Duct ectasia (widened milk ducts), sometimes with nipple discharge.
- Pain from the chest wall that is felt in the breast.
In many cases no specific cause is found, and the pain settles with time. Because non-cyclical pain is more often one-sided and persistent, it is more likely to be examined and imaged, which provides useful reassurance.
Is it breast pain or chest-wall pain?
Chest-wall pain comes from the muscles, ribs or rib cartilage under the breast rather than the breast tissue itself, and it is one of the most common reasons for pain in one breast.
A doctor can often tell the difference during examination: chest-wall pain is usually reproduced by pressing on the ribs or cartilage, or by asking you to lie on your side so the breast falls away. Common causes include:
- Costochondritis — inflammation where the ribs join the breastbone, causing sharp pain made worse by deep breaths or pressing.
- Tietze syndrome — a similar condition with visible swelling of the rib cartilage.
- Muscle strain — after exercise, lifting, carrying children or long periods at a desk.
- Nerve-related pain — including shingles, which can cause burning pain before the rash appears.
Chest-wall pain usually responds to rest, heat, anti-inflammatory gel or tablets and gentle stretching. Any chest pain that is crushing, spreads to the jaw or arm, or comes with breathlessness or sweating needs emergency care, as it may come from the heart.
Can a bra or medication cause breast pain?
Yes — a poorly fitting bra and several common medicines are frequent, easily overlooked causes of breast pain.
Bras and exercise
Breasts move considerably during walking and running, which stretches the supporting ligaments. A bra that is too small, too loose or worn out, or a lack of support during sport, can cause aching. Many women find that a professional fitting changes their size.
Medicines
Medicines that can cause breast tenderness include:
- Combined contraceptive pills and other hormonal contraception.
- Hormone replacement therapy (HRT).
- Some antidepressants, including SSRIs.
- Spironolactone and some other heart and blood-pressure medicines.
- Some fertility treatments.
Do not stop a prescribed medicine on your own; discuss alternatives with the doctor who prescribed it. Pregnancy and breastfeeding are also very common causes of breast tenderness.
Can breast pain be a sign of breast cancer?
Breast pain is rarely a sign of breast cancer, and pain on its own — without a lump or other change — is very unlikely to be cancer.
Most breast cancers do not cause pain in their early stages. Even so, a doctor should examine you if:
- The pain is new, persistent and always in the same spot.
- There is a lump, thickening, skin dimpling or swelling.
- The breast is red, hot and swollen without an obvious infection, which can rarely be inflammatory breast cancer.
- There is a nipple change or nipple discharge.
In Germany the first step is usually your Frauenarzt (gynaecologist), who can examine you and perform an ultrasound; women aged 50 to 75 are also invited to Mammographie-Screening every two years. In Bulgaria you usually start with your GP, who can refer you to a mammology specialist. In the UK, your GP can refer you to a breast clinic. For the signs that are more worrying, see breast cancer symptoms.
How can I relieve breast pain at home?
Wearing a well-fitted supportive bra, keeping a pain diary and using anti-inflammatory gel or simple painkillers help most women with breast pain.
- Supportive bra — wear a properly fitted bra in the day, a sports bra for exercise and a soft bra at night if pain wakes you.
- Pain diary — record the pain on a simple chart for two or three months. It shows whether the pain is cyclical, which is reassuring and helps your doctor.
- Anti-inflammatory gel — topical NSAID gels such as diclofenac rubbed onto the painful area are recommended by many guidelines as a first treatment, with fewer side effects than tablets.
- Painkillers — paracetamol or ibuprofen can help, if they are safe for you.
- Warmth or cold — a warm compress or cool pack, whichever feels better.
- Lifestyle — some women feel better reducing caffeine or saturated fat; the evidence is limited, but it is harmless to try.
Evening primrose oil and vitamin E are widely sold for breast pain, but good-quality studies have not shown clear benefit over placebo.
What medical treatment is there for severe breast pain?
For severe breast pain that does not respond to self-help, a doctor may review hormonal medicines and, in a small number of cases, a breast specialist may prescribe a hormone-blocking medicine for a short time.
Steps a doctor may take include:
- Confirming the type of pain and ruling out other causes with an examination and, where appropriate, imaging.
- Adjusting or changing contraception or HRT.
- Treating chest-wall pain with anti-inflammatory medicine, physiotherapy or, occasionally, a local injection.
- For persistent severe cyclical pain, a specialist may consider a low dose of a medicine such as tamoxifen for a limited period. These medicines have side effects and are not used routinely.
What to expect at the appointment
The doctor will ask when the pain started, whether it follows your cycle, which medicines you take and whether there is a family history of breast cancer. Both breasts, the armpits and the chest wall are examined. If the examination is normal and the pain is cyclical, imaging is often not needed. If the pain is in one spot, or you are over about 40, an ultrasound and sometimes a mammogram may be arranged for reassurance.
Surgery is not a treatment for ordinary breast pain. Pain usually improves over time, and around the menopause cyclical pain often stops altogether.
Can heavy breasts cause back and neck pain?
Yes — large, heavy breasts can cause neck, shoulder and upper back pain, bra-strap grooves, rashes under the breasts and difficulty exercising.
This is different from mastalgia: the pain comes from the weight the spine and shoulders carry all day. First steps are a professional bra fitting, posture and core-strengthening exercises, physiotherapy and weight management where relevant.
When symptoms persist despite these measures, breast reduction surgery removes breast tissue and skin and lifts the breast. Many patients report less neck and back pain and find it easier to be active. Dr. Fatih Kılıç assesses breast size, posture-related symptoms and expectations carefully, and explains the scars and the possible effect on breastfeeding and nipple sensation before surgery is considered.
Why does my breast hurt after surgery or breast implants?
Some pain is normal for several weeks after breast surgery; new or increasing pain months or years later can have specific causes, such as capsular contracture, and is worth having assessed.
After implants
Tightness and aching after breast augmentation usually improve over the first weeks. Later pain, with the breast becoming firmer, rounder or higher, can be a sign of capsular contracture — tightening of the scar capsule around the implant. A sudden swelling of one breast more than a year after surgery should be checked with an ultrasound. Some women also link a range of symptoms to their implants; our page on breast implant illness explains what is known.
After cancer surgery
Nerve pain, tightness and sensitivity are common after mastectomy, lumpectomy or lymph node surgery, and usually improve over months. Persistent arm or breast swelling should be assessed for lymphoedema, which responds best to early treatment.
How a plastic surgeon can help
This is where Dr. Fatih Kılıç’s experience is directly relevant. He assesses implant position and capsule, reviews ultrasound or MRI, and explains options such as capsulectomy, implant exchange or implant removal, and correction of tight or painful scars after reconstruction.
When should I see a doctor about breast pain?
See a doctor if breast pain is new and does not settle after one or two cycles, stays in one spot, wakes you at night or comes with any other breast change.
Seek prompt medical advice if you have:
- A lump, thickening or swelling in the breast or armpit.
- Skin dimpling, puckering or orange-peel skin.
- A newly inverted nipple, a nipple rash or discharge.
- Pain in one spot that lasts more than a few weeks, especially after the menopause.
- Red, hot, swollen breast with fever — possible infection needing same-day care.
- New pain, swelling or hardening around a breast implant.
Call emergency services for chest pain that is crushing or spreads to the arm, jaw or back, or comes with breathlessness, sweating or nausea. For ordinary breast pain, your GP, family doctor, gynaecologist or a breast clinic is the right first step.
Breast pain: start at home, and when a surgical opinion helps
For ordinary breast pain, the right first step for patients in Germany, Bulgaria and the UK is a local assessment by your Frauenarzt, GP or breast clinic. A surgical opinion from Istanbul becomes relevant when pain is linked to previous breast surgery — for example implants, capsular contracture or tight scars — or when heavy breasts cause persistent back and neck pain. Istanbul is about 1 hour 15 minutes by air from Sofia and about 3 hours from major German airports. You can share your reports, imaging and photographs online for an initial view from Dr. Fatih Kılıç, and after any treatment you receive a written summary for your doctor at home. See international patients or contact us.
Frequently asked questions
Is breast pain a sign of cancer?
Breast pain is rarely a sign of breast cancer, especially if it comes and goes with your cycle or affects both breasts. Pain that is new, persistent and in one spot, or pain with a lump or skin change, should be checked by a doctor.
Why do my breasts hurt before my period?
Rising and falling oestrogen and progesterone make breast tissue hold fluid and become more sensitive in the days before a period. This cyclical breast pain usually eases once the period starts.
Why does only one breast hurt?
Pain in one breast is often non-cyclical breast pain or chest-wall pain from the muscles or rib cartilage. A cyst, infection or previous injury can also be the cause. Persistent one-sided pain should be examined.
What is costochondritis?
Costochondritis is inflammation of the cartilage where the ribs join the breastbone. It causes sharp pain at the front of the chest that worsens when pressed or with deep breaths, and it usually settles with rest and anti-inflammatory treatment.
What is the best treatment for breast pain?
A well-fitted supportive bra and a topical anti-inflammatory gel help most women. Simple painkillers, a pain diary and reviewing hormonal medicines are the next steps, with specialist treatment reserved for severe, persistent pain.
Can stress cause breast pain?
Stress does not directly damage breast tissue, but it can increase muscle tension in the chest and shoulders and make pain feel worse. Anxiety about the pain can also heighten it, so reassurance after an examination often helps.
Does caffeine cause breast pain?
Studies have not proven that caffeine causes breast pain. Some women still notice improvement when they cut down, and it is harmless to try for a few weeks.
Is breast pain normal after the menopause?
Cyclical pain usually stops after the menopause, but HRT can bring it back. New pain in one breast after the menopause should be checked by a doctor.
Can a bra cause breast pain?
Yes. A bra that is too small, too loose or worn out, or a lack of support during exercise, can strain the breast ligaments and cause aching. A professional fitting often helps.
Is it normal for breast implants to hurt years later?
Implants should not usually cause pain years after surgery. New pain, hardening or a change in shape can be a sign of capsular contracture, and a sudden swelling should be checked with an ultrasound.
Can breast reduction relieve back pain?
For women with large, heavy breasts, breast reduction often reduces neck, shoulder and upper back pain. It is usually considered after bra fitting, physiotherapy and exercise have not been enough.
Medically reviewed by Dr. Fatih Kılıç, Plastic, Reconstructive and Aesthetic Surgeon. This page is for general information and does not replace an individual consultation.