title: Atypical pyoderma as a side effect of isotretinoin.
mesh_terms: D000293:Adolescent; D006801:Humans; D007536:Isomerism; D015474:Isotretinoin; D008297:Male; D011711:Pyoderma / Q000139:chemically induced*; D012874:Skin Diseases, Infectious / Q000139:chemically induced*; D014212:Tretinoin / Q000009:adverse effects*
chemical_list: D014212:Tretinoin; D015474:Isotretinoin