Causes of cold feet – Harvard Health

In Raynaud’s syndrome, the small blood vessels overcompensate for cold temperatures. This may make the feet feel cold and appear blue and then white. In response to warm temperatures, the feet then turn red. Some medications, including beta blockers, can mimic this response. Nerve damage, known as neuropathy, can also cause cold feet. In this case, the person senses a cold sensation because the nerves that detect temperature are not working correctly.

https://www.health.harvard.edu/diseases-and-conditions/causes-of-cold-feet

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