When to see a doctor

By Mayo Clinic Staff
 

Seek emergency medical care if you have leg swelling and any of the following signs or symptoms, which may indicate a blood clot in your lungs or a serious heart condition:

  • Chest pain lasting more than a few minutes
  • Difficulty breathing
  • Fainting or dizziness
  • Confusion
 

Also, seek immediate care if your leg swelling:

  • Occurs for no apparent reason
  • Is related to a physical injury, such as from a fall, a sports injury or a car accident