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uk Health & medical scares new chest tightness • chest pressure comes and goes • intermittent chest pressure • chest tightness episodes • chest discomfort returning • squeezing feeling in chest • heaviness in chest • tight chest with breathlessness • chest pressure with sweating • chest pressure with nausea • chest symptoms not going away • chest discomfort after exertion • chest tightness at rest • possible heart attack symptoms • possible angina symptoms • sudden chest discomfort • chest tightness and dizziness • chest pressure spreading to arm • pressure in chest unsure cause

What to do if…
you notice new chest tightness or pressure that comes and goes

Short answer

Treat new chest tightness/pressure as potentially serious. If it’s happening now, or it comes with breathlessness, sweating, sickness, faintness, or pain spreading to your arm/jaw/back, call 999 for an ambulance.

Do not do these things

  • Do not drive yourself to hospital if you think this could be heart- or lung-related.
  • Do not “wait for the next episode” if this is new, worsening, or keeps returning.
  • Do not exercise, rush around, or “walk it off” to test yourself.
  • Avoid taking new or extra medicines/substances to “see if it passes” (including alcohol, energy drinks, or recreational drugs). Keep taking your usual prescribed medicines unless a clinician tells you not to.
  • Do not assume it’s “just anxiety/indigestion” if it feels unusual for you, especially if you have heart risk factors.

What to do now

  1. Check if you need 999 right now. Call 999 (ambulance) if any apply:
    • The tightness/pressure is happening now and does not go away quickly with rest, or it keeps coming back.
    • It comes with shortness of breath, sweating, feeling sick/vomiting, light-headedness, or you feel very unwell.
    • The discomfort spreads to your arm(s), neck, jaw, back, or stomach.
    • You’ve been told you have angina and this episode is not relieved by rest and your usual angina medicine.
  2. If you call 999: set yourself up for faster help.
    • Sit upright or in the most comfortable position; rest and keep activity minimal.
    • Unlock the door (or ask someone to), put pets away, and have your phone on loudspeaker.
    • Gather: your medication list, allergies, key conditions, any inhalers, and your GTN spray/tablets if prescribed.
  3. Aspirin and angina medicines: follow 999/clinician instructions.
    • If advised, and you are not allergic and have not been told to avoid it, it may help to chew and swallow one 300mg aspirin while waiting for the ambulance.
    • If you have prescribed GTN (glyceryl trinitrate) for angina, use it only as you’ve been instructed for chest pain.
  4. If symptoms are not severe right now but are new/recurrent today: get urgent same-day advice.
    • Call NHS 111 by phone and say clearly: “new chest tightness/pressure that comes and goes.”
    • If you’re waiting for advice and symptoms return or worsen, or you feel unsafe waiting, call 999.
  5. Write down a 30-second “episode log” (useful when you speak to clinicians).
    • When it started, how long it lasted, whether it was at rest or with activity, where you felt it, and any associated symptoms (breathless/sweaty/sick/faint).
  6. If you’re alone: tell someone nearby.
    • Call or message a trusted person to stay with you or be available, and keep your phone charged and close.

What can wait

  • You do not need to figure out the exact cause right now.
  • You do not need to search symptoms online, compare stories, or try home “tests” (stairs, press-ups, cold water).
  • You can deal later with work/messages/appointments—focus only on getting assessed safely.

Important reassurance

It’s common to doubt yourself when symptoms come and go. Getting urgent advice for new chest tightness/pressure is a sensible, safety-first step—not an overreaction.

Scope note

These are first steps to keep you safe and get you to the right service. Further decisions (tests, referrals, treatment) come after a clinician assesses you.

Important note

This guide is general information, not medical diagnosis or personal medical advice. If you think you might be having a medical emergency, call 999.

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