Efficiency of Bumetanide in Autistic Children

Inclusion Criteria: * Children from 3 to 10 years old, answering the diagnosis of typical autism according to the diagnostic criteria of autism of the classification of the WHO ( CIM-10) and the parents of which gave a free, enlightened and written consent. Exclusion Criteria: * Patients epileptic autistics treated by anticomitiaux or having hurts of the central nervous system * Patients autistics receiving a psychotropic treatment * Patients presenting disorders electrolytes * Patients presenting a hypersensibility known about sulpha drugs * Presenting patients against indications relative to the treatment by bumetanide * Patients already treated by diuretics * Patients presenting a hepatic or renal incapacity * Patients presenting an elongation of the QT to the electrocardiogram. * Patients autistics of CARS sore is lower than 30.