PROBLEM TO BE SOLVED: To provide a method of determining the level of an antipsychotic drug.SOLUTION: An antibody that binds to aripiprazole or a binding fragment thereof, an assay kit comprising the antibody or binding fragment, and an assay device are provided. A method for detecting aripiprazole in a sample using the antibody or binding fragment in a competitive immunoassay method, etc is provided. A method for detecting antipsychotic drugs for point-of-care detection of aripiprazole comprising multiple detection of aripiprazole, olanzapine, quetiapine, and risperidone in a single lateral flow assay device is provided.SELECTED DRAWING: None
ANTI-ARIPIPRAZOLE ANTIBODY AND USE THEREFOR