Introduction: Psychotimulant-antipyschotic combinations are frequently used in child psychiatry, but have been rarely described in the literature.
Method and patients: We propose here a retrospective study of 44 children who received the combination methylphenidate (MPH)-risperidone (RIS). The sample is composed of children who received either MPH (n=28) or RIS (n=16) as primary treatment. A vast majority of the children had a comorbid attention deficit hyperactivity disorder (ADHD) diagnosis.
Results: For over 60% of patients, regardless of their initial monotherapy, bitherapy decreased the symptoms of ADHD and conduct disorder, sleep disorders and anxiety. Concerning the safety of the bitherapy, a compensation effect on weight gain and appetite was respectively observed in 70% and 50% of patients. Even though iatrogenic tachycardia can be encountered with both drugs, it has never been reported when they are associated and we have reported a total of 3 cases in our study. We have also observed a case of dyskinesia resolved with the discontinuation of the treatment.
Discussion/conclusion: MPH-RIS bitherapy appears to be particularly effective in ADHD with conduct disorder symptoms. Although tolerance may limit its use, the benefit/risk ratio seems favourable for a number of children.
Keywords: Associations psychostimulant-antipsychotique; Attention deficit hyperactivity disorder; Child psychiatry; Methylphenidate; Méthylphénidate; Psychiatrie de l’enfant; Psychotimulant-antipyschotic combinations; Risperidone; Rispéridone; Trouble déficitaire de l’attention avec hyperactivité.
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