Rosacea.
D003937:Diagnosis, Differential; D006801:Humans; D010787:Photosensitivity Disorders / Q000139:chemically induced; D012393:Rosacea / Q000175:diagnosis / Q000188:drug therapy / Q000209:etiology; D012867:Skin / Q000382:microbiology / Q000469:parasitology; D014212:Tretinoin / Q000633:toxicity
D014212:Tretinoin