HomeAnswersFamily Physicianvitamin b12 deficiencyI have been experiencing weakness and tiredness. Why?

Does low vitamin B 12 levels cause weakness?

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The following is an actual conversation between an iCliniq user and a doctor that has been reviewed and published as a Premium Q&A.

Medically reviewed by

iCliniq medical review team

Published At April 28, 2023
Reviewed AtOctober 12, 2023

Patient's Query

Hello doctor,

I feel weak and tired today after undergoing a blood test, and my vitamin B12 level is 96.4 pg/mL. What should I do? Also I am a vegetarian.

Please help.

Hello,

Welcome to icliniq.com.

I have read your query and understand your concern.

Let me to download your laboratory report and respond to you afterward.

Your laboratory report vitamin B12 is low 96.5, homocysteine is high, folate is normal CBC is normal HbA1c, Thyroid profile test and RFT is normal. Total bilirubin and indirect bilirubin is mildly elevated This increase in bilirubin level is due to hemolysis of RBC and this could be due to low vitamin B12 level Lipid profile is deranged I would suggest you to visit local doctor for guidance related to dyslipidemia and low vitamin B12. At this low value with clinical manifestation vitamin B12 injection is advised weekly for six weeks.

Thank you.

Patient's Query

Hello doctor,

Thank you for your reply.

Alright.

Kindly give your suggestions.

Hello,

Welcome back to icliniq.com.

I have seen your reports (attachment removed to protect the patient's identity) and found out the following parameters,

1. The level of vitamin B12 are low, homocysteine is high, folate is normal.

2. The CBC (complete blood count) is normal.

3. The HbA1c (glycated hemoglobin) is normal.

4. The Thyroid profile test and RFT (renal function test) are normal

5. Total Bilirubin and indirect bilirubin is mildly elevated

This increase in bilirubin levels is caused by hemolysis of RBC (red blood cells), which could be caused by a lack of vitamin B12. The lipid profile is also abnormal. I suggest you to see a local doctor to get advice on dyslipidemia and low vitamin B12 levels. The vitamin B12 injections are advised weekly for six weeks at this low value along with clinical manifestations. There are other values in the report that need to be explained to you. So I suggest you see a local doctor in your, as it will be easier to explain and guide you with active conversation.

I hope this has helped you out.

Thank you.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Dr. Basuki Nath Bhagat
Dr. Basuki Nath Bhagat

Family Physician

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