title: Common treatment for acne may cause appearance of discolored gums.
mesh_terms: D000152:Acne Vulgaris / Q000188:drug therapy*; D000328:Adult; D000900:Anti-Bacterial Agents / Q000009:adverse effects*; D005260:Female; D005882:Gingival Diseases / Q000139:chemically induced*; D006801:Humans; D008911:Minocycline / Q000009:adverse effects*; D010859:Pigmentation Disorders / Q000139:chemically induced*
chemical_list: D000900:Anti-Bacterial Agents; D008911:Minocycline