What should you know about cold feet and hands all the time?

Your body narrows small blood vessels in the skin when it is cold, directing warmth toward the chest and abdomen. If your hands or feet remain cold indoors, feel numb, change colour, or become painful, arrange a routine appointment rather than relying only on extra clothing.

The symptom can occur with low body weight, stress, smoking, dehydration, or medicines that narrow blood vessels. It can also accompany anaemia, including iron deficiency, or an underactive thyroid. Reduced circulation in the legs, such as peripheral arterial disease, is another possibility, particularly when one foot is colder, walking brings on calf pain, or wounds heal slowly.

Some people have episodes in which fingers or toes turn white or blue, then red and warm as blood flow returns. Tell a clinician about these colour changes, numbness, tingling, skin sores, fatigue, breathlessness, constipation, weight change, or muscle cramps. The pattern, examination, and selected blood tests help identify the cause.

Keep your whole body warm with layers, socks, gloves, and regular gentle movement. Avoid placing numb skin directly against a heater or very hot water because reduced sensation can hide a burn. Do not smoke, and limit exposure to other known triggers such as cold drinks or stressful situations if they bring on colour changes.

Make a note of when the coldness occurs, whether both sides are affected, any colour changes, and the medicines or supplements you take. Do not start iron tablets simply because your hands and feet feel cold; iron supplementation is appropriate when a clinician identifies iron deficiency or another clear reason.

Book a medical review if cold hands or feet persist despite warming, keep returning, or are accompanied by numbness, pain, marked tiredness, breathlessness, dizziness, or a change in skin colour. Seek prompt care for a new cold, pale, blue, or severely painful limb, sudden weakness or loss of sensation, or a foot wound that is worsening or not healing.

Get emergency help if a cold limb develops suddenly with severe pain, loss of movement, or rapidly worsening colour change. These features can signal a serious interruption of blood flow and should not be watched at home.

Ask whether your symptoms suggest a circulation problem, anaemia, iron deficiency, thyroid disorder, or a medicine effect. You can also ask which examination or blood tests are suitable, whether your blood pressure and pulses need checking, and how to protect numb skin from burns and injury.