Cold hands and feet: could a deficiency be involved?

Iron deficiency can reduce the material your body uses to make haemoglobin, which carries oxygen in the blood. This may occur with tiredness, pale skin, breathlessness on exertion, dizziness, or headaches. A vitamin deficiency is another possibility, but the symptom alone cannot identify which nutrient is involved.

Cold fingers and toes can also occur with an underactive thyroid, narrowing of blood vessels, or reduced blood flow. Read more about [Anaemia](/conditions/anaemia/), [Iron Deficiency Anaemia](/conditions/iron-deficiency-anaemia/), [Hypothyroidism](/conditions/hypothyroidism/), and [Peripheral Arterial Disease](/conditions/peripheral-arterial-disease/).

Notice when the coldness appears, whether both sides are affected, and whether fingers change colour or become numb. Keep your hands and feet warm with layers, avoid direct high heat on numb skin, and eat regular meals with varied sources of iron and vitamins. Do not start high-dose supplements solely from this symptom; a clinician can choose blood tests based on your history. Information about [Iron Supplementation](/treatments/medical-management/iron-supplementation/) can help you discuss options.

Arrange a medical assessment if coldness is persistent, worsening, one-sided, or accompanied by fatigue, weakness, numbness, pain, skin sores, or repeated colour changes. Seek urgent help for a suddenly cold, pale or blue limb, severe pain, new weakness, confusion, fainting, or trouble breathing.

Ask which blood tests could check iron stores, blood counts, thyroid function, or other deficiencies; whether your medicines or diet could contribute; and what symptoms should prompt faster review.