[Treatment of tension type headache: paracetamol and NSAIDs work: a systematic review].

OBJECTIVE Tension-type headache (TTH), also known as tension headache or muscle contraction headache is the most commonly experienced type of headache. Our aim was to evaluate the effectiveness of interventions in patients with TTH. METHOD We performed a systematic review according to the guidelines of the Cochrane Collaboration. Randomised trials… (More)