vitamin b12 injection color Seeing Red: Do Injections Work? What Does a B12

What Does a B12 Injection Do? Benefits and limits - Treherbert Pharmacy

People with Absorption Issues Conditions affecting B12 absorption include pernicious anemia (an autoimmune condition affecting intrinsic factor), Crohn’s disease or celiac disease, gastric bypass or bowel resection surgery, and chronic use of medications like metformin or proton pump inhibitors

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size:1 gram

Possible side effects include: Mild pain, redness, or swelling at the injection site Headache or dizziness (usually transient) Nausea (uncommon) Hypokalaemia (low potassium) during initial treatment, particularly in severely deficient patients—this is rare but may require monitoring [1] [5] When to seek medical advice: Serious adverse reactions are extremely rare