J01FA01 - erythromycin (Antiinfectives for systemic use | Macrolides, lincosamides and streptogramins)
D10AF52 - erythromycin + tretinoin (Dermatologicals | Anti-acne preparations for topical use | Antiinfectives for treatment of acne)
D10AF52 - erythromycin + zinc acetate (Dermatologicals | Anti-acne preparations for topical use | Antiinfectives for treatment of acne)
D10AD54 - isotretinoin + erythromycin (Dermatologicals | Anti-acne preparations for topical use | Retinoids for topical use in acne)