Safe to use chemotherapy be used to treat polymyositis?

Depends on severity : Steroids are the mainstay of treatment but have short and long term side effects this must be weighed against how well the ttreatment controls the disease the " chemotherapy " is the second line drugs used to control the disease if steroids fail or become too toxic the most common drug is Cytoxan (cyclophosphamide) that comes in an oral or IV form more nove, agents such as rituximabstill have used that do not hav.