Respected user, hi I evaluated your query thoroughly . * Cold feet is related to poor circulation to the extremeties which may be related to - micro calcification - atherosclerosis - peripheral vascular disease - other reasons * He needs evaluation in form of Doppler ultrasound of the lower limbs to locate the cause , diagnosis & management of the same accordingly . Hope this helps you . Welcome for any further assistance . Thanks for using Healthcaremagic.com & giving me an opportunity to assist Wishing him fine health ahead. Regards dear take care .