DISUFIRAM-LIKE REACTION WITH ALCOHOL. IS GENERALLY NOT SEEN. ENHANCES ACTION OF COUMARIN ANTICOAGULANTS. BLOOD LEVELS INCREASED BY CIMETIDINE. EFFECT REDUCED BY PHENOBARBITONE. ACUTE PSYCHOSES WITH DISULFIRAM. ADDITIVE/SYNERGISTIC EFFECT WITH OTHER MICROBIALS. IMPAIRES METABOLISM OR INCREASE EXCRETION OF PHENYTOIN, LITHIUM, FLUOROURACIL.