b12 injections ulcerative colitis What Is Inflammatory Bowel Disease (IBD)? Key Facts Vitamin B12 Injections | Tonbridge,

As well, some people may have allergies or medical conditions that do not allow them to be a good candidate to receive vitamin B12 shots, such as kidney problems, low potassium levels, deficiencies in other vitamins such as iron or folic acid, or just an allergy or sensitivity to vitamin B12 itself

However if you start to feel unwell, or are worried you may not have successfully delivered your biologic medicine, contact your IBD team immediately - they will advise what to do next.

Reviewed by Esther A Torres MD, AGAF Professor of medicine, University of Puerto Rico School of Medicine, San Juan Esther A Torres MD, AGAF Professor of medicine, University of Puerto Rico School of Medicine, San Juan

Diarrhea and headache

Start with doses at the lower end of the dosing range