When to seek emergency help

Call 911 or your local emergency number if you have sudden severe chest pain or any unexplained chest pain that lasts more than a few minutes.

Also get emergency medical help if you have:

• Sudden severe upper back or neck pain.
• Sudden severe stomach pain.
• Difficulty breathing.
• Symptoms of stroke, including sudden change in vision, difficulty speaking, and weakness or loss of movement on one side of your body.
• Swelling in one leg, which could be due to a blood clot.
• Loss of consciousness or fainting.

These symptoms can be caused by many different health conditions. Other symptoms not listed also may need emergency help. So it's important to get a quick diagnosis. If you feel like you can't breathe well or are having a heart attack, get medical help immediately.