Symptoms of vitamin B12 deficiency
Vitamin B12 or folate deficiency anaemia can cause a wide range of symptoms. These usually develop gradually, but can worsen if the condition goes untreated. Anaemia is where you have fewer red blood cells than normal or you have an abnormally low amount of a substance called haemoglobin in each red blood cell. General symptoms of anaemia may include: extreme tiredness (fatigue) lack of energy (lethargy) breathlessness feeling faint headaches pale skin noticeable heartbeats (palpitations) hearing sounds coming from inside the body, rather than from an outside source (tinnitus) loss of appetite and weight loss Symptoms of vitamin B12 deficiency If you have anaemia caused by a vitamin B12 deficiency, you may have other symptoms, such as: a pale yellow tinge to your skin a sore and red tongue (glossitis) mouth ulcers pins and needles (paraesthesia) changes in the way that you walk and move around disturbed vision irritability depression changes in the way you think, feel and behave a de