Common "Vitamin B12 Deficiency" queries answered by top doctors | iCliniq

Vitamin B12 Deficiency

Vitamin B12 is normally found in animal-based foods, like meat, egg, fish, milk, and dairy, so most vegetarians suffer from vitamin B12 deficiency. The symptoms are tiredness, feeling lightheaded, pale skin, tingling sensation, muscle weakness, etc.

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All the answers published in this website are written by verified medical doctors, therapists and health experts. The Content has been moderated by iCliniq medical review team before publication. Post your medical clarifications on iCliniq by choosing the right specialty and get them answered. Your medical queries will be answered 24/7 by top doctors from iCliniq.

Why do I have tiredness and sick feeling?

Query: Hi doctor, I am an 18 year old girl. I have been feeling very weak and tired. I am not getting sleep during the night and so I sleep throughout the day and wake up in the evening. I smoke and drink. Last weekend, I felt horribly sick after drinking. I get major headaches at times on the right side o...  Read Full »


Dr. Sadaf Mustafa

Answer: Hello, Welcome to icliniq.com. Thank you for providing a detailed history. We need to address your concerns regarding weight loss, feeling sick, and experiencing dizziness. To better understand your condition, we recommend obtaining the following investigations and uploading the results. Given your...  Read Full »

Please explain my blood report.

Query: Hi doctor, I just got my blood work done and would like to know exactly what these results mean. Also, I do want to mention that I am a heavy drinker. The report says that RBC is low at 3.19, MCV is high at 116, MCH is high at 39.2, RDW is high at 16.5, platelets are low at 141, calcium is low at 8....  Read Full »


Dr. Sadaf Mustafa

Answer: Hello, Welcome to icliniq.com. You have multiple abnormalities in your blood work. Your red blood cell parameters, such as MCV, MCH, and RDW, are elevated, which can be caused by alcohol intake, thyroid dysfunction, or folic acid or vitamin B12 deficiency. Additionally, your RBC and platelet count...  Read Full »

Can a lack of vitamin B12 cause tingling and numbness in my feet?

Query: Hello doctor, I have a platelet count of 55 and vitamin B12 is 176. There are tingling and some numbness in feet for about a month now. Is this a dangerous level and what could be the cause?  Read Full »


Dr. Sadaf Mustafa

Answer: Hello, Welcome to icliniq.com. Your B12 is low and you should take Vitamin B12 1000 mcg daily orally for six weeks and test the level again. I see it was less on repeat but not sure how much was it spaced out and how much you took orally? Since it did not improve with oral replacement, you would nee...  Read Full »

Can you please confirm my friend's diagnosis?

Query: Hi doctor, I am a general practitioner. I would like to consult with you regarding my friend, who has a normochromic normocytic anemia. His hemoglobin is currently 7.5. His diagnosis is not clear. I have all his laboratory data and bone marrow biopsy as well as aspiration if you want. He used to tak...  Read Full »


Dr. Sadaf Mustafa

Answer: Hello, Based on the available information, it is evident that the patient is experiencing periodic hemolysis alongside severe vitamin B12 deficiency. The corrected RPI indicates an appropriate bone marrow response to the anemia. The potential causes for the condition include medication-induced fact...  Read Full »

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