Fatigue,sever drowsiness

Hi I have done all test of thyroid vitamins minerals and B12 all are normal B12 was twosixty since two week taking injection. And OD tab daily it's been fifteen days still feel fatigue and full drowsiness why? Any other cause? Hw mch tym B12 inj and tab take to increase ? Kindly help with drowsiness it's very sever with heavy eyes...
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Doctor Answers (1) on Fatigue,sever drowsiness

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Dr. B. M. Lava Bangalore | General Physician
You will have to Kidney function tests, Liver function tests, blood indices,etc. You need to be questioned, examined for proper advice.
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