Why do my feet feel icy cold even when under two thick fleece blankets?

Why do my feet feel icy cold even when under two thick fleece blankets?

1. Introduction Feet feeling icy cold despite being insulated by thick blankets is typically caused by peripheral vasoconstriction or underlying peripheral neuropathy. If the autonomic nervous system aggressively narrows the blood vessels in the legs, warm blood is diverted to the core, rendering external blankets ineffective at generating internal tissue heat. Alternatively, damaged sensory nerves … Read more

Why do my feet feel icy cold even when wearing thermal winter socks?

Why do my feet feel icy cold even when wearing thermal winter socks?

1. Introduction Persistently icy feet despite wearing thermal socks occur because the underlying issue is internal peripheral vasoconstriction or nerve dysfunction, rather than a lack of external insulation. When blood vessels in the extremities narrow due to autonomic nervous system responses, circulatory disorders, or metabolic conditions, warm arterial blood fails to reach the tissues. Consequently, … Read more