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Janet Beres, PA-C Table of Contents: What are the symptoms of B12 deficiency

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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

doi:10.1016/s0022-3476(88)80114-8

Learn More MOOD & FOCUS Fuel your brain with B12 for clarity, focus, and emotional balance