Heat and cold sensitivity

Many people with multiple sclerosis experience a temporary worsening of their symptoms when the weather is very hot or humid or they run a fever, sunbathe, get overheated from exercise, or take very hot showers or baths. For example, some people notice that their vision becomes blurred when they get overheated - a phenomenon known as Uhthoff's sign.

These temporary changes can result from even a very slight elevation in core body temperature (one-quarter to one-half of a degree) because an elevated temperature further impairs the ability of a demyelinated nerve to conduct electrical impulses.
 

Learn more: publications

Learn more: Coping with the heat webinar


This recording will provide practical strategies to manage heat intolerance. (Recorded Nov 2016)
Webinar Handouts : Coping with the heat  Icon

Learn more : Update on Heat Research

Find out about upcoming programs. For more information or to register please email education@ms.org.au or call MS Connect™ (Freecall 1800 042 138).

 

Seeing MS - Hot and cold

Photographed by Jamie MacFadyen
Inspired by Dimitri Cachia's invisible symptom

hot and cold
A single bead of sweat can bring me to my knees.
- DIMITRI CACHIA -

 

Hot and cold

Damage to the nervous system can dramatically alter your body temperature from burning hot to freezing cold.

Jamie MacFayden

Jamie MacFadyen is a renowned Australian photographer. He has collaborated with top creative agencies across the country producing work that has gone onto win international awards.

About Dimitri

Dimitri Cachia is passionate about educating others through his own experiences living with MS. Dramatic changes in body temperature can leave him feeling suffocated, and can often perpetuate his other symptoms.

Common symptoms

Multiple sclerosis symptoms are varied and unpredictable, depending on which part of the central nervous system is affected and to what degree.

Symptom management

There are several treatments available to ease specific symptoms and slow the progression of multiple sclerosis.


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