@Tania_Pilz 

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Tania_Pilz

Get out of my way sun!

Is anyone as irritated by the sun and heat as me? I can't go 5 mins without feeling hot and sweaty, direct sunlight and heat make me grumpy. I tried escaping this crazy weather in the mall, and now I'm exhausted from all the walking. 😛 Not sure if this is MS-related, but I need a break from the summer.
@SueH

Hi Tania I have the same problem. I do not react well to the sun. My MS nurse said that it is called Uthoffs phenomenon which is a temporary worsening of symptoms due to a raise in temperature. Hope this helps. Sue

@DavidDawson

It does sound like Uhthoff’s phenomenon. I have the same effect - and lots of other weird things . My colour vision which is normally fine goes completely black and white, among other things. I gather in the days before MRI scanners it was used as part of the method of diagnosing MS. If you had apparent MS symptoms they put you into a hot bath and saw if the effects got worse, then improved when you cooled down again