
Diagnosed With Hyperthyroidism. On Tapazole. Having Cold Hands And Feet. What Could Be The Reason?

Hyperthyroidism is due to excess thyroxine and leads to a hyperactive and hyper catabolic state. Circulation problems also occur and therefore occasionally you will feel very hot and then uncomfortably cold.
Once treatment with carbimazole is started, you will feel a lot better but you need to get the thyroid function checks done every 3-4 weeks to ensure you do not develop a hypothyroid state due to the medication. This can cause peripheral circulation to get affected and really cold extremities.
It may also be a Raynauds phenomenon but here fingers and toes when exposed to cold change color from white to blue to crimson. Calcium channel blockers help to get the peripheral circulation working. There is no blood test to diagnose Raynaud's as it is diagnosed clinically while taking a history and if the color change is easily demonstrable.
I hope that was useful. Let me know if you have more concerns.
Thanks.


Thank you.
Although iron deficiency anaemia and hypothyroidism can very well co-exist, the thyroid hormone or rather the gland relies on iodine than iron for its normal functioning.
You can certainly check what your iron levels are (as well transferrin and TIBC, if indicated) and a simple blood film that correlates the findings when you next get a check-up at the doctor.
Wishing you the best of health.

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