-Medication Overuse headache occurs when long-term use of analgesics is interrupted for a few hours.
-The prevalence is higher in women than in men
– Most common primary headache associated is migraine
-the risk is high with butalbital, tylenol, aspirin, triptans,opioids, ergotamines, NSAIDS
Symptoms & Signs
-Patient experiences headaches when he or she goes a certain period of time without taking analgesics
-a history of analgesic use averaging more than two to three days per week (15 or more days per month) in association with chronic daily headache
-Discontinuation of the offending medication