how often are vitamin b12 injections given Giving parenterally? ๐ค Which electrolyte should you check first? Answer: โฌ๏ธ Potassium. ๐ And why does it matter? Because rapid correction of severe B12 deficiency can trigger a surge in Specification:20 mg vial Cyanocobalamin Vitamin B12 Supplement, folic acid injection
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