Vitamin B12 Injection

Vitamin B12, also called cyanocobalamin, is available in injection form and is used to treat vitamin B12 deficiency. The injections are given into the muscle. They help improve deficiency symptoms within two to three days whereas oral tablets take longer.

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.

What can be done for my daughter's pernicious anemia?

Query: Hello doctor, I hope you will be able to help me with my daughter's health. The summary of her health is as follows: She was born prematurely at 25 weeks. She had to undergo PDA surgery soon after. She had Hashimoto's hypothyroidism when she was 8 years of age. She had urticaria and angioedema for m...  Read Full »


Dr. Shaikh Sadaf

Answer: Hello, Welcome to icliniq.com. I just read your query and the medical history of your daughter. I have seen the detailed reports (attachment removed to protect patient identity) as well. Let me answer each one of your questions. Her raised cortisol is likely to be due to exogenous steroids use, like...  Read Full »

Do Vitamin B12 injections help fatigue?

Query: Hi doctor, I have been diagnosed with chronic fatigue syndrome. I am taking 3 g of Valtrex a day, increased from 2 g before four months. Until a month ago, my CFS seemed to be improved. Then last month, I had a major setback with the return of symptoms beyond fatigue, such as heart palpitations, tin...  Read Full »


Dr. Prakash H Muddegowda

Answer: Hi, Welcome back to icliniq.com. Based on your query, my opinion is as follows: Hemoglobin levels are good and should not be causing any of these symptoms. It appears to be more related to medication adverse effects. Vitamin B12 levels are high and injectable B12 will only increase it. Improvement i...  Read Full »

Can constipation be caused by iron tablets?

Query: Hi doctor, My wife who is 40 years old has hemoglobin level of 8. Which iron or other supplement should she take immediately? She regularly feels quite tired. She had the same issues during her college days too. Also, can iron tablets cause constipation? If yes, kindly suggest remedial measures. Pl...  Read Full »


Dr. Dattaprasad Balasaheb Inamdar

Answer: Hi, Welcome to icliniq.com. If she is having chronic anemia then one advice would be to make sure that it is due to iron deficiency anemia indeed and not due to other deficiency or thalassemia minor. If hemogram was done, red blood cell distribution width RDW of ≥15% and picture of micro...  Read Full »

Can chest pain result from vitamin B12 deficiency?

Query: Hello doctor, I am a 31 year old male. I have been diagnosed with a vitamin B12 deficiency and I am taking medicines from last month. I have a slight pain in the left side of my chest and also below my chest. My ECG is normal.  Read Full »


Dr. Pramod Bhanudas Narkhede

Answer: Hello, Welcome to icliniq.com. Chest pain can be nonspecific but, you should get evaluated if the aches and pains are all over the body or sometimes in one specific group of muscle. For more information contact a cardiologist online --> https://icliniq.com./ask-a-doctor-online/cardiologist  Read Full »

Which neuropain killer can be used to treat leg pain?

Query: Hello doctor, l have been taking Neurocare plus OD for the past one month but the pain on my left leg is just too much. Which neuropain killer can I take to ease the pain?  Read Full »


Dr. Aida Quka

Answer: Hello, Welcome to icliniq.com. I understand your concern and would recommend taking Gabapentin or Pregabalin to help improve your situation. I would just advise starting in low dose and increase gradually the dose as tolerated, in order to avoid sedation, which is a common adverse effect of these ...  Read Full »

Can low levels of vitamin D and testosterone cause forgetfulness?

Query: Hi doctor, I am 50 year old. My height is 179 cm and weight 85 kg. Recently, I have tested for free testosterone and vitamin D. Both are on lower side. I am also taking Thyronorm 75 mg since last 7-8 years. I have attached my medical file of past health issues. After 7 PM, I feel very low and confu...  Read Full »


Dr. Divakara P

Answer: Hi, Welcome to icliniq.com. Well, for your low testosterone and low vitamin D you need to take supplements. For vitamin D, I recommend Cholecalciferol sachets or tablets 60000 units weekly once for three months. Also take Calcium supplements every night. For testosterone, you need to get Testoster...  Read Full »

How to increase my vitamin B12 level?

Query: Hi doctor, I have low levels of vitamin B12. I have to take vitamin B12. Every time, when I take them, I get a terrible spine pain, and I feel very tired. Please help.  Read Full »


Dr. Aida Quka

Answer: Hi, Welcome to icliniq.com. Your symptoms are related to vitamin B12 adverse effects. I would like to know your vitamin B12 plasma levels. You can take it as an injection once a month.  Read Full »

Can a deficiency of vitamin B12 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. Parth R Goswami

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

What test should I do to know the reason for tingling sensation?

Query: Hi doctor, I have been suffering with tingling and needling sensation in my feet from the last one and a half year. It may be peripheral neuropathy. If it so, then what is the treatment for it? Which tests should I undergo to diagnose the reason? I had 10 vitamin B12 injections before two months. ...  Read Full »


Dr. Rajyaguru

Answer: Hi, Welcome to icliniq.com. I understand your symptoms and your question. It may be peripheral neuropathy. I would like to know your age and whether you have diabetes. If you have any back pain radiating to the legs, then it can be a spinal problem. I suppose you do not have back pain. The second p...  Read Full »

Does thyroid problem delay pregnancy?

Query: Hi doctor, I am a 27 year old unmarried female. Before six months, I was diagnosed with hypothyroidism. I have been taking Thyronorm 100 mcg. Recently, I had TSH test and the level was 0.47 U/mL, which is considered as hyperthyroid. When my doctor asked me the previous dosage, by mistake I told her...  Read Full »


Dr. Swaraj S W

Answer: Hi, Welcome to icliniq.com. I suggest you follow the same dose as you are not a hyperthyroid yet. Also, if you are planning for your marriage and pregnancy, then this TSH value is normal.  If the TSH (thyroid stimulating hormone) value is less than 0.3 U/mL, then the dosage of tablet has to be red...  Read Full »

ask-doctor-img Ask a Doctor Online

* guaranteed answer within 4 hours

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.