 Of the wide treatments range antibiotic combinations, cytostatic drugs, radiation, and laser, none is ideal. The causative organism is resistant to most antibiotics and, being intracellular, is not always exposed to sufficient concentrations of drug. A clinical cure is hard to identify because the end-stage is mucosal fibrosis which, even without active infection, interferes with normal function of the upper respiratory tract. The fibrosed mucosa, especially in crusts, can become secondarily infected with bacteria, which may include klebsiella.6 