Visual aura without headache as a pre‐cluster symptom in episodic cluster headache: A report of two cases.

The article presents the study of Treatment of medication overuse headache, and effect and predictors after 1 year. Topics discussed include Medication overuse headache (MOH) is a chronic secondary headache caused by medication overuse; and the condition is a common clinical problem that should be managed in an effective manner because these patients are highly impaired.