Treating schizophrenia or schizoaffective disorder. It may also be used for other conditions as determined by your doctor. Invega extended-release tablets is an atypical antipsychotic. Exactly how it works is not known. It is thought to work by affecting certain substances in the brain.
Invega (paliperidone) is used either alone or in combination with other drugs to help treat schizophrenia. The drug is part of the atypical antipsychotics drug class. The drug targets chemicals in the brain to reduce effects of the disorder.