Fig. 4From: Medication overuse headache in Europe and Latin America: general demographic and clinical characteristics, referral pathways and national distribution of painkillers in a descriptive, multinational, multicenter studyType of overused analgesics in Europe and Latin America. The bar chart compares the proportion of patients (in percent) in Europe and Latin America with specific drug-overuse. A single patient can be diagnosed with more than one type of overuse. *p < 0.05Back to article page