Anaphylactic shock and death have been reported after parenteral vitamin B 12 administration
Next, and most importantly, wash your hands well with soap and warm water for at least 20 seconds
Summary: Feeling worse after a B12 injection typically reflects your body adjusting to replenished vitamin levels, triggering metabolic processes that may temporarily cause fatigue, headaches, or injection site discomfort
Early signs include tingling or 'pins and needles' in the feet and hands, numbness in the extremities, burning pain (often worse at night), balance problems, and muscle weakness
As we get older, our stomachs typically produce less acid, and stomach acid is essential for effective B12 absorption
Response time varies based on the peptide, dose, consistency, treatment goal, and the individual patient