Type: Atypical antipsychotic

Adverse Effect: Agranulocytosis, sedation, weight gain, bone marrow suppression

Clinical Uses: Schizophrenia refractory to other antipsychotics

Haldol (Haloperidol)

butyrophenone

Class: Antipsychotic agent

Dosage Form: Available IM as the decanoate ester

Adverse Effects: Parkinson symptoms, neuroleptic malignant syndrome, tardive dyskinesia

Contraindications: Parkinson's disease

Treats: Psychosis, Tourrett's syndrome

Other Uses: Used to treat an overdose of amphetamines

Class: SSRI

Adverse Effects: Constipation, sexual dysfunction, seritonin syndrome (caused when used with MAOIs; characterized by hyperthermia, muscle rigidity, myoclonus, and rapid fluctuation in mental status)  gastrointestinal distress

Contraindications: The use of other MAOI's

Treats: Depression, Anxiety, OCD, Post-traumatic stress disorder, pain syndrome

Type: SNRIs

Adverse Effects: neuroleptic malignant syndrome, hepatitis, exacerbate mania or depression, hypertension, weight loss, sweating, blurred vision,  gastrointestinal distress, nervousness, sexual dysfunction

Contraindications: Use of MAOIs

Treats: Depression, anxiety, panic disorder with or without agoraphobia

Class: GABA A Receptor Modulator (Barbiturate)

Dosage Form: Oral, IV, IM, rectal

Adverse Effect: Steven Johnson syndrome, bone marrow suppression, hepatotoxicity, osteopenia, sedation, ataxia, confusion, dizziness, decreased libido, depression

Contraindications: Porphyria, severe liver dysfuntion, respiratory disease

Clinical Uses: Pre-operative anesthetic, Emergency Seizure, Insomnia

Class: GABA A Receptor Modulator (Barbiturates)

Adverse Effect: Stevens-Johnson's syndrome, bone marrow suppression, hepatotoxicity, osteopenia, sedation, ataxia,  confusion, dizziness, decreased libido, depression

Contraindications: Porphyria, severe liver dysfunction, respiratory disease 

Clinical Use: Anticonvulsant (especially tonic-clonic seizures), inomnia

Class: Inhibitor of Levodopa Metabolism

Adverse Effects: Dyskinesia, dystonia, hallucinations, dyspepsia, dream disorder, sleep disorder

Contraindications: History of rhabdomyolysis

Clinical Use: Parkinson's disease

*Most widely used COMT inhibitor

Adverse Effects: Vasospasm

Contraindications: Peripheral vascular disease