This second section of our medication database entry focuses on potential side effects, withdrawal or discontinuation effects, and additional information, while part one covers basic drug characteristics, uses and benefits.
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Side Effects of Vitamin B12
Along with its needed effects, a dietary supplement may cause some unwanted effects. Cyanocobalamin or hydroxocobalamin does not usually cause any side effects.
However, check with your health care professional immediately if any of the following side effects occur:
- Rare-soon after receiving injection only
- Skin rash or itching; wheezing
Check with your health care professional as soon as possible if either of the following side effects continues or is bothersome:
- Less common
- Diarrhea; itching of skin
Other side effects not listed above may also occur in some individuals. If you notice any other effects, check with your health care professional.
Limitations and the Source of Our Online Medication Information Database
Although we have made considerable efforts to ensure that the information provided here is accurate, up-to-date, and complete, MedLibrary.org makes no guarantee to that effect. Drug information contained herein may be time sensitive. This medication information does not endorse drugs, diagnose patients or recommend any specific pharmacotherapy. This is an educational resource only -- intended to supplement but not to replace the expertise, skill, knowledge and judgment of medically qualified healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, please check with your doctor, nurse or local pharmacist. MedLibrary.org does not assume any responsibility for any aspect of healthcare administered with the aid of information provided here.
Revised: 06/23/2000