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A member asked:

At work i take orders outside &we have to wear pants even in 100f weather. i made it 40 mins out there & was lightheaded shaky and breathing heavy even though i was drinking lots of h2o. same happens when its too cold. what could be wrong?

A doctor has provided 1 answer
Dr. Donald Alves answered

Specializes in Emergency Medicine

Most likely you are not fully acclimated (=used to) the weather you are going out into. It takes ~2 weeks with time in the climate for your body to get used to it--IF you are generally healthy. If you have ongoing medical issues, you should get checked over by your Primary Care Provider first to be on the safe side.

Answered 7/1/2021

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