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The most common patient complaints are minor: soreness at injection site, a transient headache, or mild diarrhea

This service is not suitable for patients who are pregnant or breastfeeding without prior written consent from their GP.

Effects of Methylcobalamin Injection typically wear off between 48 to 72 hours, though this varies from person to person

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Follow the manufacturer label or dispensing pharmacy instructions for temperature, light exposure, and beyond-use date

Hypokalemia and sudden death may occur in severe megaloblastic anemia which is treated intensely with vitamin B12