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Doctors use lab tests to check your Vitamin B12 levels

Make sure any doctor or dentist who treats you knows you are using this medication, as it may affect the results of certain medical tests

Adjusting the dosage under medical supervision is recommended

And for a lot of people, the issue is with their ability to absorb Vitamin B12 in the gastrointestinal tract - a problem that is also often accompanied by IBS-type symptoms

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Table of Contents What Is Pernicious Anaemia and Why B12 Injections Are Needed How Vitamin B12 Injections Work for Pernicious Anaemia NHS Treatment Schedule and Dosing for B12 Injections What to Expect During and After Your B12 Injection Monitoring Your Treatment and Long-Term Management Scientific References Frequently Asked Questions What Is Pernicious Anaemia and Why B12 Injections Are Needed Pernicious anaemia is an autoimmune condition in which the body cannot absorb vitamin B12 (cobalamin) from the diet due to a lack of intrinsic factor , a protein produced by cells in the stomach lining