Parkinsonian symptoms can be a side effect of various medications that impact dopamine transmission within the brain. Here are some common types of medications known to potentially cause parkinsonian side effects
i. Antipsychotics: This class of medications, especially older or ‘typical’ antipsychotics like haloperidol and chlorpromazine, are well-known for causing parkinsonian symptoms because they block dopamine receptors in the brain.
ii. Anti-emetics: Drugs like metoclopramide and prochlorperazine, which are used to prevent nausea and vomiting, can also cause parkinsonian side effects due to their dopamine-blocking effects in the brain.
iii. Calcium Channel Blockers: Certain calcium channel blockers, particularly those used to treat high blood pressure and cardiovascular disorders, have been reported to induce parkinsonian symptoms in some patients. Flunarizine and cinnarizine are examples of such medications.
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