Corticosteroid pulse therapy is the administration of suprapharmacologic doses of corticosteroids in an intermittent manner to enhance their therapeutic effects and reduce their adverse effects. This report describes the complications of pulse therapy and long-term use of corticosteroids in a male patient aged 37 years who has had multiple sclerosis since 2003. The patient was diagnosed with aseptic necrosis of the humerus and femur heads after a course of corticosteroid pulse therapy in May 2015. This case is interesting not only because the patient developed aseptic necrosis of the femoral, as well as humeral, heads, but also because the patient received stem-cell therapy after an intensive course of corticosteroids as a recommended up-to-date therapy to treat this complication of pulse therapy.
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