pernicious anemia and b12 injections Here We Go Again! Chapter 22: Autoimmune diseases, Pernicious

That adds up quickly

This specific action contributes to its favorable safety profile

Cobalamin, better known as B12 is a water-soluble B-vitamin that can be found in protein-based foods such as beef, fish, poultry, milk, and eggs

If side effects do occur, they are generally mild and may include: Pain, discomfort, swelling, or redness at the injection site Diarrhea Headache Bloating Nausea Numbness or tingling Serious side effects are rare and may include: Confusion Dizziness or fainting Muscle pain, cramps, or weakness Extreme thirst Facial flushing Frequent urination Palpitations Fatigue Difficulty breathing Coughing or noisy breathing (wheezing) Extreme pain, swelling, warmth or tenderness in one leg Difficulty swallowing Rash Itching over the body If you experience serious side effects, contact your doctor right away