how long does your arm hurt after a b12 injection Shots at Home: How, Where & Often to Inject Yourself How Long Does It Take
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Q: Is it legal

(2007) remains the foundational study

Patients should follow directions for dose, injection route, needle handling, storage, and disposal

For those with severe deficiencies, higher doses may be required initially to replenish B12 levels

While generally well-tolerated, some individuals may experience side effects such as: Irritation or redness at the injection site Temporary fatigue or nausea Immediate medical consultation is recommended if you experience severe side effects or allergic reactions
