headache after vitamin b12 injection Shot: Why It Happens & What to Do headache after vitamin b12 injection

For subcutaneous injection, doses of 250-500 mcg per day are commonly used

But if you dont produce enough of a protein called intrinsic factor that helps your body absorb vitamin B12, or if you dont eat enough vitamin B12 foods, you may develop a deficiency

Recommended Dosage and Safety Common IM doses range from 500 mg to 1000 mg per injection, administered 1-2 times per week

Your doctor will determine the appropriate schedule based on your specific condition and response

* Correspondence: Artnora Ndokaj, [email protected] Disclaimer All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers