Many...: Headaches can be caused by more things than can be mentioned in this post. For example - dehydration, stress, vision problem, brain tumor, illness, fever, hypertension, aneurysm, (and on and on). If you are having issues with headaches, see your physician. If it is acute, new, and debilitating pain consider being seen emergently.
Answered 8/28/2014
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A doctor has provided 1 answer
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