Thank you for your query on Healthcare Magic.
The blood glucose
is in normal range.
But the blood has to be given for glucose estimation to a good laboratory.
There are many cause for his symptoms,
He needs physical examination by doctor to look for anemia
, nutritional deficiency
, and other causes for his symptoms.
Basic investigations like CBP, electrolytes, CUE, thyroid
profile, blood glucose to rule out any medical problem.
Hope I have answered your query.