How long does it take to start working? It can take four to six weeks for risperidone to have its full effect, but some people get good effects right from the first week. You should stay in touch with your doctor to see how it goes over the first few weeks. They might do some tests to check your symptoms.

Does risperidone calm you down?

Risperidone is a medication taken by mouth, widely used for treating people manage the symptoms of psychosis. As well as being an antipsychotic (preventing psychosis), it also could calm people down or help them to sleep.

How long does it take for risperidone to get in your system?

If you take Risperdal Consta® (risperidone long-acting injection), it will take about three weeks before risperidone is fully absorbed and at an adequate level to begin treating your symptoms.