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Dr. Andrew Rynne
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Dr. Andrew Rynne

Family Physician

Exp 50 years

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What causes intolerance to heat?

I am being work-up for MS. I have 3 lesions on the brain and I have had a spinal tap done and awaiting results. I have not had an MRI of the spine. I have had a ACDF. If I had a MRI would the plating distort the images and not show spinal lesions. I have a huge problem with heat intolerance. When I get hot my symptoms get worse and my feet turn red. Is this normal in MS patients? One I cool down they return to their normal color.
Thu, 27 May 2021
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Cardiologist 's  Response
Hello,

This is quite a common phenomenon in MS patients, also called Uthoff phenomenon. It is related to the demyelination of the central nervous system, and these nerve fibers are more vulnerable to heat.

Take care. Hope I have answered your question. Let me know if I can assist you further.

Regards,
Dr. Ilir Sharka, Cardiologist
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What causes intolerance to heat?

Hello, This is quite a common phenomenon in MS patients, also called Uthoff phenomenon. It is related to the demyelination of the central nervous system, and these nerve fibers are more vulnerable to heat. Take care. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Ilir Sharka, Cardiologist