PNEUMONITIS CAUSED BY SAIKOKEISIKANKYOU-TOU, AN HERBAL DRUG

A 57-year-old man was admitted to our hospital because of dyspnea and abnormal shadow on chest roentgenogram. He had received two herbal dru gs: Saikokeisikankyou-tou (SKT) for one month and Licium Halimifolium Mil (LHM) for two weeks, After admission, all medication was stopped a nd his symptoms were gradually diminished. Transbronchial lung biopsy specimens showed interstitial pneumonia. Lymphocyte stimulation test, skin test and challenge test were positive to these herbal drugs. We d iagnosed him as drug-induced pneumonitis, This is the first report on pneumonitis caused by Saikokeisikankyou-tou diagnosed by lymphocyte st imulation test, skin test and challenge test.