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Common reasons include: Pernicious anemia , an autoimmune condition affecting intrinsic factor production Gastrointestinal disorders, such as Crohns disease or celiac disease Prolonged use of certain medications, like proton pump inhibitors Knowing these causes helps spot at-risk people
Side effects are usually mild, like redness or tenderness at the injection site, and they disappear quickly
As with any emerging pharmacological agent, the establishment of a safe and effective dosage for clinical use necessitates thorough and rigorous clinical trials
Also, people with Lebers disease should not get B12 injections because it could make their condition worse
A single 50 mg vial lasts roughly 10 to 20 days at these subcutaneous doses
