Aspirin for frequent episodic tension-type headache has limited evidence

Evidence of aspirin’s efficacy for relieving acute pain in people with frequent episodic tension-type headache is limited, a Cochrane review of randomised studies has found.1

Frequent episodic tension-type headache is very common, its global prevalence of 21% making it the second most prevalent condition after dental caries. This type of headache is diagnosed in people with at least 10 episodes of tension-type headache in their lifetime who have two to 14 days with headache each month. Aspirin is one of several analgesics suggested for treatment.

Researchers searched medical databases for randomised, double blind …