Antipsychotic Class

Haloperidol

Brand: Haldol (US/EU) / Serenace (IN) / Halopex (BD)
Subclass: Typical antipsychotic (high-potency D2 antagonist)
PK: t½ 21 hours | Clearance: hepatic
Max Dose: 20 day
severe
AE: Extrapyramidal symptoms, akathisia, dystonia, QT prolongation, hyperprolactinemia, NMS

Olanzapine

Brand: Zyprexa (US/EU) / Olzap (IN) / Olanzin (BD)
Subclass: Atypical antipsychotic (D2/5-HT2A antagonist)
PK: t½ 30 hours | Clearance: hepatic
Max Dose: 20 day
severe
AE: Severe weight gain, increased appetite, hyperglycemia, dyslipidemia, sedation, orthostatic hypotension

Quetiapine

Brand: Seroquel (US/EU) / Quitipin (IN) / Quetpin (BD)
Subclass: Atypical antipsychotic (D2/5-HT2A antagonist)
PK: t½ 7 hours | Clearance: hepatic
Max Dose: 800 day
moderate
AE: Sedation, orthostatic hypotension, weight gain, hyperglycemia, dyslipidemia

Risperidone

Brand: Risperdal (US/EU) / Sizodon (IN) / Risp (BD)
Subclass: Atypical antipsychotic (D2/5-HT2A antagonist)
PK: t½ 20 hours | Clearance: hepatic
Max Dose: 6 day
moderate
AE: Hyperprolactinemia, weight gain, metabolic syndrome, extrapyramidal symptoms, sedation