What is the role of iron in the etiology of migraine headache?

Updated: Oct 21, 2019
  • Author: Jasvinder Chawla, MD, MBA; Chief Editor: Helmi L Lutsep, MD  more...
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Answer

In a population-based MRI study by Kruit et al, migraineurs had increased local iron deposits in the putamen, globus pallidus, and red nucleus, compared with controls. [53] This increase in iron deposits may be explained as a physiologic response induced by repeated activation of nuclei involved in central pain processing or by damage to these structures secondary to the formation of free radicals in oxidative stress (possibly the cause of the disease becoming chronic). [54]


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