Therapeutic value of counseling in the treatment of headache over medication use

INTERVENTION: Behavioural The included patients are randomly divided into 2 groups, both oriented to the use of acute headache medications. The estimated sample was 68 patients based on a pilot study, divided equally between the groups by block randomization. In the control group, the patients have a medical consultation with a resident physician and preceptor doctor, when will always be conducted to withdraw medication, but in a routinely and unstructured way. In the intervention group, patients undergo a similar medical consultation, however without any guide about overuse of medications. In sequence they recieve a structured counseling by a researcher. The brief intervention tested is a type of psychological counseling that uses the FRAMES technique (Feedback, Responsibility, Counseling, Strategy Menu, Empathy, Self‐Efficacy). Drug treatment for headache (prophyilatic drugs and acute medicine for headache attacks) is performed by attending physicians and does not involve researchers CONDITION: Drug‐induced headache, not elsewhere classified ; G44.4 G00‐G99 PRIMARY OUTCOME: Number of days/month of use of medication for headache in 30 days and 60 days after inclusion in the study. Data is collected by headache diary and the questionnaire Number of patients returned for 30 and 60‐day evaluation Numbers of patients who succeed in withdrawal from excessive medication for headache in 30 days and 60 days after inclusion in the study. Data is collected by headache diary and the questionnaire SECONDARY OUTCOME: Headache Impact Test in 30 days and 60 days after inclusion in the study Number of days/mohth with headache in 30 days and 60 days after inclusion in the study. Data is collected by headache diary and the questionnaire Number of patients who no longer have chronic headache in 30 days and 60 days after inclusion in the study. Data is collected by headache diary and the questionnaire Number of patients who reduced 50% or more the use of acute medication for headache in use days/month. Data is collected by headache diary and the questionnaire in 30 days and 60 days after inclusion in the study INCLUSION CRITERIA: Diagnostic of medication overuse headache at first appointment in Oswaldo Cruz University Hospital's headache clinics