Evidence and service information checked, October 2026.
Chest pain that hurts when you press a rib can come from the chest wall. But tenderness is not a home test that rules out a heart attack, a blood clot or another urgent cause. The safest first question is not "Which stretch should I try?" It is whether this episode needs emergency assessment.
How do I know if chest pain is costochondritis?
Costochondritis is pain associated with inflammation where the ribs join the breastbone. It often feels sharp or aching, becomes worse with deep breathing, coughing or certain movements, and may be tender when pressed. A clinician diagnoses it after considering other causes of chest pain. There is no single blood test, X-ray or scan that proves it.
Call 999 for sudden or persistent chest pain that feels tight, heavy or crushing, spreads to the arm, jaw, neck or back, or comes with breathlessness, sweating, sickness, faintness or collapse. Not everyone has classic symptoms. Do not wait for a private GP appointment or drive yourself if a heart attack is possible.
New unexplained chest pain still needs prompt medical advice even if it is mild or you can reproduce it by touching the area. If you are unsure how urgent it is and do not have emergency symptoms, NHS 111 can help direct you.
What this guide can help with
Once urgent causes have been considered, a chest-wall assessment can explain what is hurting, which activities to modify and when to review it. It should not turn an unassessed episode into a reassuring internet diagnosis.
Ask The Online GP about a suitable assessment for non-emergency chest-wall symptoms. An in-person examination may be more appropriate than video.
What does costochondritis usually feel like?
The pain is commonly near the breastbone, often on the left, and can affect more than one rib attachment. Reaching, twisting, upper-body exercise, coughing or taking a deep breath may aggravate it. Some people describe an ache rather than a stab.
Typical costochondritis does not cause visible swelling. A related condition called Tietze syndrome can involve swelling, usually at a more localised rib junction. A new lump, redness, warmth or obvious swelling should be examined rather than assumed to be either condition.
Symptoms may follow strain or repeated coughing, but there is often no clear single cause. Not recalling an injury does not exclude chest-wall pain. Equally, remembering a workout does not exclude a more serious condition.
Why pressing the painful area is not enough
Reproducible tenderness can support a chest-wall explanation, but it is one finding in a wider assessment. Clinicians also consider onset, duration, exertion, breathing symptoms, fever, cardiovascular risk, recent surgery, immobility and other relevant history.
Heart, lung and digestive conditions can produce pain in the same area. A person can also have chest-wall tenderness and a separate problem at the same time. Previous normal tests or a previous diagnosis of costochondritis do not automatically explain a new or different episode.
If your usual pain changes, becomes associated with exercise, or comes with breathlessness, fainting or feeling seriously unwell, seek urgent reassessment.
What happens during an assessment?
A doctor asks about the pain and checks the chest wall, heart and lungs as appropriate. Moving the arms or rib cage may help identify which movement triggers symptoms. Depending on the presentation, observations, an ECG, blood tests or imaging may be needed to look for other causes.
Those tests are not a costochondritis screening package. They are selected because of the clinical question. A normal chest X-ray does not diagnose costochondritis, and a scan is not always needed for a typical non-urgent presentation after examination.
Video can help triage symptoms and review an established plan. It cannot replace hands-on examination, an ECG or emergency investigations when those are needed. Paying privately should make the next step clearer, not bypass it.
What helps once the diagnosis is established?
Reduce the activities that provoke pain
Temporarily ease off heavy upper-body lifting, repeated pushing or a movement that reliably aggravates symptoms. Complete bed rest is usually not the goal. Keep gentle day-to-day movement within what you can tolerate and return gradually rather than testing the painful area repeatedly.
Try heat or cold safely
A wrapped warm or cool pack may ease discomfort. Avoid direct contact that burns or damages the skin. Choose what feels helpful rather than forcing a particular temperature or massage technique.
Discuss pain relief with a pharmacist or doctor
Paracetamol or an anti-inflammatory medicine may be appropriate for some people. Anti-inflammatory medicines are not suitable for everyone, including some people with stomach ulcers, kidney disease, cardiovascular problems or certain asthma reactions. They can interact with blood thinners and other medicines. Follow the packet and individual advice; do not combine different NSAIDs.
If pain is persistent, a clinician may suggest physiotherapy or other options. Injections are not routine first-line treatment and should not be sold before the diagnosis and simpler care have been considered.
Arrange a GP review if pain relief is not working, you cannot comfortably breathe or move, or the problem is interfering with work or sleep. Acute breathlessness needs urgent assessment, not a routine booking.
How long does costochondritis last?
It often improves on its own, but it can last weeks and sometimes longer. There is no reliable recovery date that applies to everyone. A review is useful if symptoms persist, worsen or behave differently from the expected pattern.
Do not keep renewing the label indefinitely without reassessment. Fever, unexplained weight loss, a swollen joint, a new chest-wall lump or persistent night pain may change what needs investigating. A new episode after you have recovered deserves the same sensible triage as any other chest pain.
A useful plan for the next appointment
Write down when the pain began, the exact location, whether it spreads, what triggers it, how long episodes last and what relieves it. Note any cough, fever, recent travel, surgery, injury or new medicine. Bring previous ECGs or discharge summaries if you have them.
Ask:
- What makes a chest-wall cause likely in my case?
- Have we considered the important alternatives?
- Which activities should I modify, and how should I return to them?
- Which pain relief is safe with my medical history?
- What change means I should seek urgent help rather than wait for review?
A good consultation ends with those answers and a safety-net plan, not merely a diagnosis name.
Private GP care in London
As checked in October 2026, The Online GP lists a same-day in-person appointment at £220 and a video appointment from £150 for up to 30 minutes. These are consultation fees, not a promise that any necessary ECG, blood test or imaging is included. Suitability, availability and additional costs are confirmed before arrangements are made.
For non-emergency symptoms, request the right appointment format. Explain that the issue is chest pain so the team can advise on urgency rather than simply offering the next convenient slot.
Questions people often ask
Can costochondritis feel like a heart attack?
Yes, the symptoms can overlap. That is why a first or changed episode should not be self-diagnosed.
Is it safe to exercise?
After a clinician has established the diagnosis, activity can usually be adapted to symptoms. Chest pain brought on by exertion needs medical assessment before you push through it.
Will antibiotics help?
Not for ordinary non-infectious costochondritis. Treatment depends on the cause, and antibiotics should not be used just because a symptom has lasted a long time.
Does it show on an X-ray?
There is no specific imaging test that confirms typical costochondritis. Imaging may be used to investigate another suspected cause.
Contact The Online GP for non-emergency assessment or email our team. For possible heart attack or severe breathing difficulty, call 999.
Sources
- Mayo Clinic: Costochondritis, symptoms and causes.
- Mayo Clinic: Costochondritis, diagnosis and treatment.
- Cleveland Clinic: Costochondritis, causes and treatment.
This article provides general information. It cannot diagnose chest pain or rule out an emergency.