b12 injections what do they do How to Give a Injection: Step-By-Step Instructions B12 Injection Benefits: Energy, Mood,

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Adverse reactions after a B12 injection may include: A feeling of tightness in the chest Anaphylaxis (difficulty breathing or swallowing) Chest pain Congestive heart failure Heart palpitations Pulmonary edema Rapid heartbeat (tachycardia) Shortness of breath Vascular thrombosis Musculoskeletal Effects Your musculoskeletal system makes up your bones, tendons, cartilage, and connective tissues

The effect of administering B12 via IV varies from person to person

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A provider will typically: Ask about your symptoms and medical history Request a recent blood test to check B12 levels Evaluate whether injections are appropriate If B12 shots are recommended, the provider can issue a prescription, which you can fill at a local pharmacy or through a telehealth pharmacy that ships to you