To expose from the clinical and welfare expectation, the experience with injectable Risperidona of long duration with three cases clinical whose principal diagnosis is of Mental Delay Moderated with alteration of the associate behavior.

I marry 1: 14-year-old Teenager of age attended in our CSM for Mental Delay and Disorder of conduct to familiar and school level.

CI = 50. It has received diverse antipsychotic and stabilizing treatments of oral form being the discontinuous capture. For one year in treatment with injectable Risperidona 50 mgr/14 days, answering favorably to the treatment, diminishing the conducts heteroagresivas that he was presenting to the beginning.

I marry 2: 15-year-old Teenager of age late Mental and disorder of the disturbing behavior with episodes d excitation, irritability and loss of control.

Not clinical stabilization with oral treatment for lack of familiar adherence. We introduce injectable Risperidona, 7,5 mgr/14 days, pupil to the family to mint of the importance of the treatment and the facility of administration. It improved the adherence to the center and therefore, clinical improvement.

I marry 3: Preadolescente and 13 years and age with compatible symptoms late Mental Moderates do and autistic features with important estereotipias and autoaggressions. For a few months in treatment with Risperidona inyecable 37,5 mgr/14 days with clinical improvement.