title: Nummular eczema during isotretinoin treatment.
mesh_terms: D000152:Acne Vulgaris / Q000188:drug therapy; D003875:Drug Eruptions / Q000209:etiology*; D004485:Eczema / Q000139:chemically induced* / Q000473:pathology; D006801:Humans; D015474:Isotretinoin; D014212:Tretinoin / Q000009:adverse effects* / Q000627:therapeutic use
chemical_list: D014212:Tretinoin; D015474:Isotretinoin