Risperidone, was widely approved for use in the late 1990s. Sold under the brand names Aleptan, Arketin, Diaforin, Krisp, Risperdal, Okedi and many others, it's used to treat Schizophreniaplugin-autotooltip__plain plugin-autotooltip_bigSchizophrenia

"Schizophrenia is a mental disorder characterized by abnormal social behavior and failure to understand what is real. Common symptoms include false beliefs, unclear or confused thinking, auditory and visual hallucinations, reduced social engagement and emotional expression, and a lack of motivation.", Major Depressive Disorderplugin-autotooltip__plain plugin-autotooltip_bigMajor Depressive Disorder

Major Depressive Disorder (MDD), also known simply as 'depression', is a mental disorder characterized by at least two weeks of pervasive low mood.

Current estimates are that severe depression affects around 2% of the global population at any given time, currently more than 150 million. The majority of cases don't appear to have an obvious personal and/or societal cause., Stutteringplugin-autotooltip__plain plugin-autotooltip_bigStuttering

Stuttering, estimated to affect 55 million people worldwide, is defined as :

"- a disruption in the fluency of verbal expression characterized by involuntary, audible or silent, repetitions or prolongations of sounds or syllables"

Source :, Tourette syndromeplugin-autotooltip__plain plugin-autotooltip_bigTourette syndrome

Tourette syndrome (TS or Tourette's) is a common neuro-psychiatric disorder which usually starts in childhood and is characterized by multiple motor tics and at least one vocal tic. These tics characteristically wax and wane in intensity and frequency, can be suppressed temporarily, and are typically preceded by an unwanted urge or sensation in the affected muscles. Some common tics are eye blinking, coughing, throat clearing, sniffing, swearing, and facial movements. and sometimes Autismplugin-autotooltip__plain plugin-autotooltip_bigAutism

Autism is a developmental disorder characterized by difficulties with social interaction and communication, and by restricted and repetitive behaviour. The causes of autism are unknown, though it's likely that there is a strong genetic component. Current theory suggests a complex disorder which has core aspects that have distinct causes and often co-occur.

Exact mechanism of antipsychotic action has not been fully elucidated; may involve antagonism of central type 2 serotonergic (5-HT₂) receptors and central dopamine D₂ receptors.

Source : Drugs.com