The haematological consequences of tuberculosis of tuberculosis are varied and complex. They may provide a valuable clue to a perplexing diagnosis, indicate complication of underlying infection requiring specific therapy, worn the clinician of drug toxicity or allergy. Anemia which may be hypochromic or a normochromic anemia but mormocytic was a significant finding in non treated pulmonary tuberculosis patients. Total and differential leucocytic counts and bone marrow aspiration show non specific and non sensitive changes along the study in spite of renormalization in the treated group