1 doctor weighed in:

After I play tennis or work out I get headaches could it be for tiredness or more serious like brain tumor?

1 doctor weighed in

In brief: Heat strokes

ypu are very dehydrated and you might be having a Heat strokes.
the first rules of exercising outdoors is adequate hydration ,and hydrate with similar quality fluid like your are loosing with sweating like Gatorade or similar sport drinks,hydrate yourself well before, during,and after the game and see if you can tell the differences,if not see a doctor for adequate testing

In brief: Heat strokes

ypu are very dehydrated and you might be having a Heat strokes.
the first rules of exercising outdoors is adequate hydration ,and hydrate with similar quality fluid like your are loosing with sweating like Gatorade or similar sport drinks,hydrate yourself well before, during,and after the game and see if you can tell the differences,if not see a doctor for adequate testing
Dr. M. Hytham Beck
Dr. M. Hytham Beck
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