• Hida Nierenburg and Lawrence C Newman.
• Mount Sinai West Hospital Center, The Headache Institute, 424 West 59th St. Suite 4A, New York, NY, 10019, USA.
• Curr Treat Option Ne. 2016 Jun 1; 18 (6): 25.

Opinion StatementNew 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. While cases can arise de novo, in multiple reports, a viral illness precedes the onset of headache. NDPH has two temporal profiles: a self-limited form that resolves spontaneously without treatment and a refractory, persistent form in which headaches continue unabated for years. Diagnosis is predicated on first eliminating secondary mimics via diagnostic imaging and hematological studies. Lumbar puncture should be considered in patients who are refractory to treatment to search for alterations in CSF pressure or for an infectious process. There have been no randomized clinical trials utilizing acute or preventive therapies for NDPH. In clinical practice, treatment is aimed at matching the predominant headache phenotype; nonetheless, most therapies are generally ineffective or only partially effective. Not surprisingly, medication overuse is very common among patients with this disorder and should be identified, although in most patients, eliminating medication overuse does not alter the course of the illness. 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.

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