Treatment of vaginitis due to 
Trichomonas vaginalis; pelvic inflammatory disease; protozoal infections due to 
Entamoeba histolytica (amoebic dysentery or hepatic abscesses) & 
Giardia lamblia (gardiasis); anaerobic bacterial infections, intraabdominal abscess, peritonitis, empyema, pneumonia, aspiration pneumonia, lung abscess, diabetic foot ulcer, meningitis & brain abscess, bone & joint infections, septicemia, endometritis, tubo-ovarian abscess or endocarditis; pseudomembranous colitis; 
H. pylori eradication therapy; prophylaxis for those potentially contaminated colorectal surgery & may be combined w/ neomycin; acute gingivitis & other dental infections; Crohn's disease w/ colonic or perianal involvement.