Cold feet are caused by the skin’s reaction to cold temperatures – this condition is very common in people with poor circulation in the feet, women, people who are underweight, and those who have Raynaud’s phenomenon. Cold feet are often accompanied by itching, bumps, patches of red and purple on the feet, and swelling. Most cases of cold feet clear up on their own within a few weeks, though they can keep recurring for years. Cold feet can be avoided by dressing appropriately for cold or humid weather, or avoiding cold temperatures. In more severe cases, medication can be used to lessen the symptoms.