Possible side effects include: Mild pain, redness, or swelling at the injection site Headache or dizziness (usually transient) Nausea (uncommon) Hypokalaemia (low potassium) during initial treatment, particularly in severely deficient patientsthis is rare but may require monitoring [1] [5] When to seek medical advice: Serious adverse reactions are extremely rare
Liver and Kidney Function Tests: These tests help check if your liver or kidneys arent working properly, which can sometimes cause B12 to build up in the blood 15 , 16
Your specialists will design a maintenance therapy of 100 to 200 mcg
"Vitamin B12 and the risk of neural tube defects in a folic-acid-fortified population"
When your B12 levels drop, your blood cant carry oxygen as well, and thats when the tiredness, weakness, and other symptoms start creeping in