My wife experiences wheezing breath whenever comes in to contact with old dusts.Recently she had cold and cough with blood spitting.The doctor prescribed moxifloxacin.Her blood CBC are within normal limit.Her cough reduced.She felt better now with ocassional cough two to three times a day.An xray chest pa was done at the onset.which shows lungs are clear .no lesion.markings clear.Only superior medistinal shadow swelling. at present After medication moxifloxacin her coughing reduced to only morning and evening for few seconds.Sputum reduced she is very much active hunger normal sleep normal The doctor advises for ct scan of.chest PLEASE ADVICE