Thanks for the query,
Please note that headache can be due to several causes like migraine
, tension headache
, cluster headache
, brain tumor/infection, problem in blood vessels of brain, and headache due to raised pressure in the brain. Further, the presence of associated complaints like vomiting, visual symptoms, weakness of legs/hands etc.
The condition where there could be an association of obesity and headache is raised intracranial pressure, called as idiopathic intracranial hypertension
. Other possibility is that both the conditions may coexist independently.
I advise you to undergo neurological evaluation which includes clinical, lab and if required scans of the brain and lumbar puncture
. This will guide us treat you better
Hope this clarifies