The cause of folliculitis decalvans is still debated, Staphylococcus a
ureus is often cultured from the lesions, but it is not the sole facto
r involved in the pathogenesis of the disease, Folliculitis decalvans
is known for its resistance to treatment, resulting in an unfavourable
prognosis. We report a case that resolved after two cycles of therapy
with rifampin, We discuss the mechansims of action of rifampin and th
e pathogenesis of folliculitis decalvans.