Thank you very much for contacting healthcare magic. Your hemoglobin level is 5 only that is too much low.Low hemoglobin level lead to anemia. Anemic patient face many problems like.... Easily fatigue, weaknesses in body,fainting,pale skin,palpitations ,shortness of breath...etc. Do some diet modifications like. .. Take more iron rich foods like green leaf vegetables, spinach ,cereals ,almonts etc.... Under doctor s suggestion you can start iron tabletes. Folic acid rich diet like sprouts,banana;broccoli. ..eat more. Apple is each source of iron. Beet root is more helpful for increasing hemoglobin level. Consent a doctor for further treatment. Take care.. Thanks .