Acupuncture Randomised Trial in patients with Tension-Type Headache

INTERVENTION: Acupuncture versus minimal acupuncture versus waiting list CONDITION: Tension‐type headache ; Nervous System Diseases ; Other headache syndromes PRIMARY OUTCOME: Added 19/08/09:; Difference in numbers of days with headache between the four weeks before randomisation and weeks 9‐12 after randomisation, as recorded by participants in headache diaries. SECONDARY OUTCOME: Not provided at time of registration INCLUSION CRITERIA: 296 patients with epidosic or chronic tension‐type‐headache (according to the criteria of the International Headache Society)