I am a 55 yr. old lady with present levels of Hb 8.7%, PCV 29.9%, MCV 57.3%, MCH 16.7%, MCHC 29.1%, RDW 16.7% & platelet count of 538. RBC morphology : Hypochromia++, Microcytosis+, Anisopoikilocytosis. Remaining counts in CBC are in normal range. I have always been anaemic & have needed iron & folic acid supplements since teen age. No investigation was done before then although I was always fatigued. I take iron & folic acid supplements regularly with B12 injections (5) every half year. I am having mouth ulcers (insides of cheeks & lips) constantly since the last 6 yrs. The CBC varies very little despite treatment. Please advise.