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New daily persistent headache (NDPH) is an uncommon and under-recognized primary headache disorder. Clinically, NDPH may resemble migraine or tension-type headache. Unlike migraine or tension-type headaches, however, a distinguishing feature of NDPH is that the majority of patients with NDPH can pinpoint the exact date of onset of symptoms. ⋯ There have been reports of successful treatment combining doxycycline 100 mg and montelukast 10 mg, dosed BID for 3 months. Anecdotally, in our practice, this combination has occasionally provided good results. Onabotulinum toxin injections are currently under investigation and may provide a potential new effective treatment regimen.