Headache and Tremor: Co-occurrences and Possible Associations.

Background: Tremor and headache are two of the most prevalent neurological conditions. This review addresses possible associations between various types of tremor and headache, and provides a differential diagnosis for patients presenting with both tremor and headache.

Methods: Data were identified by searching MEDLINE in February 2015, with the terms "tremor" and terms representing the primary headache syndromes.