What Causes Acute Dystonia

The etiology of acute dystonic reaction is thought to be due to dopaminergic-cholinergic imbalance in the basal ganglia. The symptoms may be reversible or irreversible and usually occur shortly after taking a dopamine receptor-blocking agent or increasing the dosage.

What drugs cause tardive dystonia?

• Chlorpromazine.
• Fluphenazine.
• Haloperidol.
• Perphenazine.
• Prochlorperazine.
• Thioridazine.
• Trifluoperazine.

What drugs can cause extrapyramidal symptoms?

Extrapyramidal symptoms are most commonly caused by typical antipsychotic drugs that antagonize dopamine D2 receptors. The most common typical antipsychotics associated with EPS are haloperidol and fluphenazine.