This drug is a glucocorticoid used as an anti-inflammatory and immunosuppressant. Ourteam of highly experienced workforce supports us in offering our clients Deflazacort. This drug is used to treat duchenne muscular dystrophy in adults and children 5 years of age and older. It is in a class of medications called corticosteroids. It works by reducing inflammation and by changing the way the immune system works. Deflazacort comes as a tablet and a suspension (liquid) to take by mouth. It is usually taken once a day with or without food.