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uk Health & medical scares chest discomfort and jaw pain • chest pain spreading to arm • new shoulder pain with chest • chest pressure without cause • jaw and arm pain together • possible heart attack symptoms • sudden chest tightness • chest burning like indigestion • sweating with chest discomfort • shortness of breath with chest pain • lightheaded with chest discomfort • chest pain that won’t go away • symptoms started minutes ago • unsure if it’s serious • chest discomfort at rest • pain spreading to neck or back • new arm ache plus chest • heart emergency first steps

What to do if…
you notice chest discomfort plus new jaw, shoulder, or arm pain without a clear cause

Short answer

Call 999 (or 112) for an ambulance now — this combination can be a heart emergency even if you’re not sure.

Do not do these things

  • Do not drive yourself to A&E or ask someone to drive you unless 999 explicitly tells you to.
  • Do not wait to “see if it passes”, especially if the pain is new, spreading, or comes with sweating, nausea, breathlessness, or feeling faint.
  • Do not push through it (stairs, brisk walking, “just finish this one thing”).
  • Do not take extra/new painkillers to “test” whether it’s serious — it can delay getting help or mask changing symptoms. (Keep to any prescribed medicines unless 999 advises otherwise.)
  • Do not take someone else’s prescription heart medication (including sprays/tablets) unless it is your prescribed medicine.

What to do now

  1. Stop what you’re doing and sit upright (or half-sitting) and try to stay still.
  2. Call 999 (or 112) and say: “Chest discomfort with new jaw/shoulder/arm pain.”
    • If you’re alone, put the phone on speaker.
  3. Unlock your front door (or ask someone to) and move to where paramedics can reach you easily. If possible, have someone wait by the entrance to flag them down.
  4. If aspirin is available and you are not allergic, slowly chew and swallow one adult aspirin (300mg) while waiting for the ambulance.
    • Do not do this if you’ve been told to avoid aspirin, you know you’re allergic, or the person is under 16.
  5. If you have prescribed angina medication (for example GTN spray/tablets) and have been instructed to use it for chest pain, use it exactly as you were told — then still follow 999 advice.
  6. Note the time symptoms started (even roughly). Keep ready:
    • your address and postcode
    • current medicines (especially blood thinners)
    • allergies (especially aspirin)
    • any known heart conditions, recent surgery, pregnancy, or major bleeding history
  7. If symptoms change (worsening pain, new breathlessness, faintness), tell the call handler immediately.
  8. If you (or the person) become unresponsive and not breathing normally, the 999 call handler can guide you: start CPR and send someone to fetch an AED if one is nearby.

What can wait

  • Deciding whether it’s “definitely” a heart attack or something else.
  • Googling symptoms, checking forums, or trying home tests.
  • Calling your GP or NHS 111 first (for this symptom pattern, treat it as an emergency).
  • Gathering paperwork, packing a bag, or notifying work — you can do that later.

Important reassurance

People often hesitate because symptoms feel “not dramatic enough” or like indigestion or anxiety. With chest discomfort plus new jaw/shoulder/arm pain, it’s safer to treat it as urgent and let clinicians rule out serious causes.

Scope note

These are first steps only to keep you safe in the next minutes. Paramedics and hospital staff will decide what’s happening and what treatment you need.

Important note

This guide is general information, not a diagnosis. If you have this symptom combination right now, the safest action is to call 999/112.

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