Penicillian substitutes--erythromycin and clindamycin.
D002981:Clindamycin / Q000627:therapeutic use*; D004917:Erythromycin / Q000627:therapeutic use*; D006801:Humans; D010482:Periapical Abscess / Q000188:drug therapy*; D018805:Sepsis / Q000517:prevention & control
D002981:Clindamycin; D004917:Erythromycin