title: Prophylactic caffeine sodium benzoate--postdural puncture headache versus caffeine withdrawal headache.
authors.forename: D S
authors.initials: DS
authors.lastname: Stevens
mesh_terms: D018712:Analgesics, Non-Narcotic / Q000009:adverse effects / Q000627:therapeutic use*; D001565:Benzoates / Q000009:adverse effects / Q000627:therapeutic use*; D002110:Caffeine / Q000009:adverse effects* / Q000627:therapeutic use*; D000697:Central Nervous System Stimulants / Q000009:adverse effects; D003937:Diagnosis, Differential; D004338:Drug Combinations; D006261:Headache / Q000453:epidemiology / Q000503:physiopathology / Q000517:prevention & control*; D006801:Humans; D013375:Substance Withdrawal Syndrome / Q000209:etiology*
chemical_list: D018712:Analgesics, Non-Narcotic; D001565:Benzoates; D000697:Central Nervous System Stimulants; D004338:Drug Combinations; D002110:Caffeine; C025741:caffeine, sodium benzoate drug combination