[Local nicotinamide therapy in erosive lichen of the oral mucosa]

The local treatment of erosive lichen planus by means of subfocal injections of nicotinamide has been successful in 19 of 25 cases. Nevertheless, it is no true alternative of the systemic chloroquine-triamcinolone treatment. A therapeutical program is presented in which the more riskful use of corticosteroids and chloroquine ranks but second.