Chronic migraine or something else?
This article represents the opinions, thoughts, and experiences of the author; none of this content has been paid for by any advertiser. The Migraine.com team does not recommend or endorse any products or treatments discussed herein. Learn more about how we maintain editorial integrity here.
- Headache Classification Committee of the International Headache Society (IHS). The International Classification of Headache Disorders, 3rd edition (beta version). Cephalgia. 2013; 33(9) 679.
- Young, William B., MD, NDPH: What is it? ACHEnet.org, retrieved online at http://www.achenet.org/news/ndph_what_is_this/.