Weakness and head discomfort can be indicative of a neurologic disease. Obtaining an MRI of the brain can look for a bleed or mass that can cause similar symptoms. I would see a neurologist at this point.
Regarding the stomach symptoms, a variety of upper GI disorders can be responsible. This can include GERD, an ulcer, or inflammation of the upper digestive tract.
Followup with your personal physician is essential.
This answer is not intended as and does not substitute for medical advice - the information presented is for patients education only. Please see your personal physician for further evaluation of your individual case.
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