Compositions comprising an antibiotic, sulphonamide, at least one an antiquagul agent, e.g., clotrimazol (bis-phenyl-(2-chlorophenyl)-1-imidazolyl-methane), natamycin, or nystatin,and 5-nitro-metronidazol (5-nitro-inidazoles) e.g., (metronidazol or tinidazol or nimorazol) and a pharmaceutically acceptable carrier. The compositions are useful mainly as vaginal suppositories.