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Solutions: Rotate injection sites more frequently Use new needle every time Clean site thoroughly with alcohol Let alcohol dry before injecting If persistent, reduce dose or switch to oral Usually harmless: Minor reactions common Should resolve within hours to days Not dangerous unless signs of infection (warmth, spreading redness, fever) No results after 4 weeks Problem: Not seeing expected healing or improvements
Summary: Excessive vitamin B12 intake rarely causes toxicity, but very high levels from supplements or injections may be associated with skin reactions such as acne-like eruptions, though serious adverse effects remain exceptionally uncommon
doi:10.1093/ajcn/74.2.233
Instead, it comes from a different family of dyes, which isnt thought to have these health concerns
