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

Vitamin B12

Vitamin B12, also called cobalamin, is a crucial vitamin that is needed for maintaining brain function, nerve tissue, and the production of red blood cells. The foods rich in vitamin B12 are beef, pork, ham, lamb, fish, eggs, and dairy products. Vitamin B12 deficiency can cause psychosis, mania, and dementia.

Recently Answered Questions Recently Answered Questions

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.

I would like to get a proper diagnosis regarding my high hs-CRP.

Query: Hi doctor,I am suffering from iron depletion. My iron is low, but ferritin and hemoglobin are normal. My folic acid was 4 about a year ago. I took Folic acid tablets for two months and it is normal now. My vitamin D has improved after taking tablets. My vitamin B12 is also on the lower side. I am ma...  Read Full »


Dr. Prakash. H. M.

Answer: Hi,Welcome to icliniq.com.Based on your query and after going through your reports (attachments removed to protect patient identity), my opinion is as follows:C-reactive protein (CRP) levels are a bit high indicating mild inflammation. This value is suggestive of high cardiac risk.Your cholesterol, ...  Read Full »

Why is my vitamin B12 level over 1000?

Query: Hi doctor,I am 21 years old. I am taking tablet Cymbalta 60 mg and tablet Citalopram 10 mg daily for depression and anxiety. Recently, I got a blood test for vitamin B12 and the results turned out to be pretty high at 1344 pg/mL. I am aware that the normal range of vitamin B12 is 200 to 900 pg/mL. M...  Read Full »


Dr. Prakash. H. M.

Answer: Hello, Welcome to icliniq.com. Based on your query my opinion is as follows. Increased vitamin B12 is worrisome. It is a water-soluble vitamin. It never increase unless there is some amount of hepatic damage or certain cancers. I strongly urge you to get a liver function test. Both Cymbalta (Du...  Read Full »

I got my blood tests done. Please suggest.

Query: Hello doctor, I am a 56 year old male. I got my blood tests done recently. Kindly advice on what is required like medicines or tonics. I am an engineering manager in a corporate field. I am not taking any medicines as of now. I am generally healthy and follow a normal office routine of 10 AM to 7 PM...  Read Full »


Dr. Janrao Smit Uttam

Answer: Hello, Welcome to icliniq.com. I saw your reports (attachment removed to protect patient identity). Many of the values are abnormal. You have a vitamin B12 deficiency. That is the reason the MCV (mean corpuscular volume) value is increased in the complete hemogram. Amylase level is also inc...  Read Full »

I want to know the importance of vitamin D, B12, and C.

Query: Hello doctor,I am a guardian and caregiver for my 92-year-old mother. She is altogether in fair to good shape. She is oriented, and has excellent mental acuity but has notable short-term memory issues. She walks with the use of a walker but would be challenged to walk beyond (very roughly) 50 meters...  Read Full »


Dr. Rajesh Gulati

Answer: Hello, Welcome to icliniq.com. I can understand your concern. These are expected symptoms at this age, she is doing much better than her peer groups. She should take multivitamins, vitamin D, vitamin B12, and vitamin C supplements. She should do daily light exercises as per her comfort and capacit...  Read Full »

I have tingling in my penis despite a negative HIV result. Why?

Query: Hello doctor,I had vaginal sex with a sex worker nine months back and after three weeks of exposure, I have experienced tingling in my penis, leg nerves, back burning sensation, arm numbness, and after a few months I am experiencing candida, leg sole hotness, leg muscles pain, neck discomfort, pins ...  Read Full »


Dr. Rakesh Kumar Bahunuthula

Answer: Hello, Welocme to icliniq.com. I can understand your concern. HIV (human immunodeficiency virus) infection has a window period of up to 12 weeks after the last exposure during which the test results can be false negative. However, any test beyond this window period can be taken as conclusive. As a...  Read Full »

Can vitamin B12 deficiency cause breathlessness?

Query: Hello doctor, I had a blood test recently and my ESR was elevated to 22, while vitamin B12 was low. I have pain in the right armpit and also a pain in the neck.  Read Full »


Dr. Goswami Parth Rajendragiri

Answer: Hello, Welcome to icliniq.com. Your B12 level is low, hence it should be treated with Folic acid tablets and Cyanocobalamin injections. 1. Cyanocobalamin 1000 mcg injections are given intramuscularly for six weeks. 2. ESR (erythrocyte sedimentation rate) can be high in any inflammatory condition....  Read Full »

I have a genetic mutation. How to lower my high B12 levels?

Query: Hello doctor, I have genetic mutation MTHFR. I am on thyroid for hypothyroidism. My B12 level is 1476, the normal range is between 138 to 652 pmol/L. How can I lower my B12 level? Is this level a cause for concern? All the other blood levels are normal other than WBC which is at 3.4 and neutrophils ...  Read Full »


Dr. Elina Angelova Beleva

Answer: Hello, Welcome to icliniq.com. It is essential to know the primary reason for vitamin B12 testing. Was it done due to any complaints that could be related to anemia like fatigue, malaise, or any other symptoms that could be related to thrombotic complications possibly due to the inherited MT...  Read Full »

I had a titanium rod inserted for a fracture. Can I walk?

Query: Hi doctor, I had a left femur midshaft fracture while playing in a garden. It was a displaced fracture. So I underwent ORIF. A titanium rod was inserted before 57 days. Can I walk like before without limping and when? And there is no sensation in the upper thigh. Why?  Read Full »


Dr. Anuj Gupta

Answer: Hi, Welcome to icliniq.com. Since you are 15 years old, there are good chances that you will be able to walk soon because children's bone can unite fast. It has been more than six weeks so I think you can start putting partial weight on that limb. But before that, I would like to have a look at yo...  Read Full »

What is causing the pricking pain around my chest area?

Query: Hello doctor, I frequently get a pricking type of pain on the left side, around the upper chest area, particularly behind the arm pit area. And sometimes behind the shoulder blades and in the chest area adjacent to the nipple. I have done TMT, ECG, and echocardiogram tests, and they are all normal. ...  Read Full »


Dr. Shobhit Shah

Answer: Hello, Welcome to icliniq.com. I have seen your reports (attachment removed to protect patient identity). Your vitamin D is on the lower side, so your present problem of pricking pain can be due to this. You may need lifestyle modifications for deranged lipid profile. Do brisk walking for at least...  Read Full »

I am experiencing neuropathy after a burn. Please help.

Query: Hello doctor, I had burns in 90 % of my body of which 65 % were third-degree when I was 13 months old. My left leg was burned so bad that the hospital wanted to amputate, but my parents refused. I am 36 years old now. My circulation has gotten increasingly worse as I have aged to the point that I h...  Read Full »


Dr. Noushif. M

Answer: Hello, Welcome to icliniq.com. I went through your detailed history. The problems which are worrying you at present are mainly due to nerve irritation which is made worse by changes in the arterial flow during times of stress like weather changes. Neuroregulation or autonomic response to tempe...  Read Full »

ask-doctor-img Ask a Doctor Online

* Your first query consult is free!

Search for a Health Issue



Disclaimer: No content published on this website is intended to be a substitute for professional medical diagnosis, advice or treatment by a trained physician. Seek advice from your physician or other qualified healthcare providers with questions you may have regarding your symptoms and medical condition for a complete medical diagnosis. Do not delay or disregard seeking professional medical advice because of something you have read on this website. Read our Editorial Process to know how we create content for health articles and queries.