B12 deficiency anaemia

Pernicious anaemia

An autoimmune condition that stops the body absorbing vitamin B12, leading to anaemia and nerve symptoms.

What it is

Pernicious anaemia attacks cells in the stomach that make 'intrinsic factor'. Without it, B12 cannot be absorbed from food.

Signs people often notice

•Tiredness
•Tingling or numbness
•Memory or balance problems
•Pale or yellow skin

Who it affects

More common in adults over 60 and those with other autoimmune conditions.

Questions worth asking your clinician

?What is my B12 level?
?Do I need injections?
?Should I check for other deficiencies?

This information is general and educational. Always speak to your GP or prescribing clinician before changing medication, starting supplements, or acting on anything you read here.

Read our medical disclaimer