Anaemia and ANEMIA are both terms used to describe a deficiency of red blood cells. ANAEMIA is the British spelling, while ANEMIA is the American spelling. This deficiency can be caused by a variety of factors, including iron deficiency, vitamin B12 deficiency, or chronic diseases such as kidney failure. Symptoms of ANAEMIA and ANEMIA include fatigue, pale skin, shortness of breath, and dizziness. Treatment for ANAEMIA and ANEMIA typically involves taking iron supplements and eating foods rich in iron, vitamin B12, and folate.