Long-Term Outcome of Patients with Headache and Drug Abuse after Inpatient Withdrawal

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Abstract
Thirty-eight patients with “chronic daily” headache and ergotamine and/or analgesics abuse according to the criteria proposed by the international Headache Society were re-investigated 5 years after inpatient drug withdrawal. At the end of the observation period, 19 patients (50.0%) had their headaches on only 8 days per month or less, 18 patients (47.4%) were free of symptoms or had only mild headaches. A close correlation was found between the frequency of headache and the duration of drug abuse, as well as between the intensity of headache and the number of tablets taken per month. Frequency and intensity of headache had changed within the first 2 years after withdrawal, but remained stable afterwards. Fifteen patients (39.5%) reported on recurrent drug abuse. Patients with migraine showed a tendency towards a better prognosis compared to patients with tension-type headache or with combined migraine and tension-type headache. The results of this study highlight the long-term efficacy of inpatient drug withdrawal in patients with headache and ergotamine and/or analgesics abuse.

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