In brief: Cold feet are commonly caused by low ambient temperature or normal blood-vessel responses. Recurrent symptoms can also have other causes.
Possible causes
| Cause | Clue |
|---|---|
| Cold | Common and usually harmless |
| Raynaud's | Colour change, numbness, tingling |
| Circulation | Watch one-sided or painful symptoms |
| Metabolic causes | For example thyroid disease or anaemia |
NHS recommends measures such as keeping warm, regular exercise and stopping smoking for Raynaud's symptoms.[1]
Warning signs
Blue or grey colour, severe one-sided pain, wounds or sudden marked circulation changes need medical assessment.
FAQ
Do thick socks help?
Often, when cold is the cause.
Can smoking contribute?
Yes.
Is caffeine always the cause?
No, but it can trigger Raynaud's symptoms.
When should someone see a doctor?
For persistent, painful or one-sided symptoms.
Conclusion
Warmth and movement often help. Unusual colour changes or pain deserve assessment.
