title: Chronic daily headache: is analgesic overuse a cause or a consequence?
authors.forename: Richard B
authors.initials: RB
authors.lastname: Lipton
authors.forename: Marcelo E
authors.initials: ME
authors.lastname: Bigal
mesh_terms: D000700:Analgesics / Q000008:administration & dosage / Q000009:adverse effects* / Q000627:therapeutic use; D001168:Arthritis / Q000188:drug therapy; D015984:Causality; D004334:Drug Administration Schedule; D020773:Headache Disorders / Q000139:chemically induced / Q000188:drug therapy / Q000453:epidemiology / Q000209:etiology*; D006801:Humans; D008137:Longitudinal Studies; D019547:Neck Pain / Q000188:drug therapy; D012307:Risk Factors; D019966:Substance-Related Disorders / Q000150:complications / Q000209:etiology; D013997:Time Factors
chemical_list: D000700:Analgesics