The most common of all headaches, the one with greatest socioeconomic impact, the least studied, & the most nondescript — a diagnosis of exclusion. Pain is bilateral, not severe, with no criteria to suggest migraine or cluster, much less anything serious. Chronic tension headaches have been described as “featureless.”
- duration 30 minutes to a week;
- 10 separate episodes required for diagnosis.
The more disabling the recurrent headache, the more you should consider it might possibly be an atypical migraine (see posting “Recurrent Headaches”. Consider therapeutic trials.