is it ok to take expired vitamin b12 injections do expire Safe use if expired? : r/B12_Deficiency Compounded Cyanocobalamin (Vitamin B12) Injection Do vitamins expire? Safety, side

Common side effects include, but may not be limited to: pain or redness at the injection site mild diarrhea pruritus (itching) increased swelling joint pain dizziness headache nervousness or anxiety Serious side effects may include: allergic reactions peripheral vascular thrombosis hypokalemia (low potassium levels) pulmonary edema (fluid build-up around or in the lungs) thrombocytosis congestive heart failure There have been reports of anaphylactic shock and death after the parenteral administration of vitamin B12

General dosage guidelines include: Administer only under medical supervision

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The vitamin is delivered directly into your muscle tissue, from where it quickly enters your bloodstream and becomes available for your body to use