Causes of cold feet

Q. My feet are always cold, especially when I go to bed. Could I have a problem with my circulation?

A. Two of the most common causes of cold feet are decreased circulation in the extremities or a problem with nerve sensation. One cause of decreased circulation is atherosclerosis, where arteries are narrowed by fatty deposits and impede blood flow in the limbs. As a result, your feet may appear blue or purple when you are sitting, and pale or white when you are lying down. You may feel pain in your calves when you walk. Your doctor can usually detect this condition (peripheral artery disease) by checking the pulse in your legs.

To continue reading this article, you must login.
  • Research health conditions
  • Check your symptoms
  • Prepare for a doctor's visit or test
  • Find the best treatments and procedures for you
  • Explore options for better nutrition and exercise
Learn more about the many benefits and features of joining Harvard Health Online »