Pseudoparkinsonism

Definition

Pseudoparkinsonism is a drug-induced condition that mimics the symptoms of Parkinson's disease, including tremors, rigidity, and bradykinesia. It commonly occurs as a side effect of antipsychotic medications.

5 Must Know Facts For Your Next Test

1. Pseudoparkinsonism is often caused by first-generation (typical) antipsychotics such as haloperidol.
2. Symptoms typically develop within days to weeks after starting or increasing the dose of an antipsychotic medication.
3. It is reversible upon discontinuation or dose reduction of the offending drug.
4. Anticholinergic medications like benztropine can be used to manage pseudoparkinsonism symptoms.
5. Patients with pseudoparkinsonism should be monitored closely for worsening symptoms and potential impact on their quality of life.

Review Questions

• What are the common symptoms of pseudoparkinsonism?
• Which class of drugs is most commonly associated with causing pseudoparkinsonism?
• How can pseudoparkinsonism be managed in patients taking antipsychotics?

Related terms

Extrapyramidal Symptoms (EPS): A group of movement disorders including dystonia, akathisia, and tardive dyskinesia caused by antipsychotic drugs.

Bradykinesia:

Slowness of movement, a key symptom in both Parkinson's disease and pseudoparkinsonism.

Anticholinergic Drugs:

Medications that block acetylcholine receptors and are used to treat extrapyramidal symptoms including pseudoparkinsonism.