Urinary frequency

Urinary frequency is often listed as a symptom of ME/CFS.

Prevalence

 * In a 2001 Belgian study, 47.9% of patients meeting the Fukuda criteria and 53.9% of patients meeting the Holmes criteria, in a cohort of 2073 CFS patients, reported urinary frequency.

Symptom recognition

 * Case defintions that list urinary frequency as a symptom:
 * Canadian Consensus Criteria case definition lists urinary frequency as a symptom under autonomic manifestations.
 * International Consensus Criteria case definition lists urinary frequency as a symptom under the Genitourinary section
 * Nightingale definition refers to Bladder Dysfunction Changes


 * Case defintions that do not list urinary frequency as a symptom:
 * Holmes criteria
 * Systemic Exertion Intolerance Disease
 * Ramsay definition
 * London criteria