Visual hallucinations in the elderly associated with the use of levodopa

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Abstract
Visual hallucinations are a well recognized unwanted effect of treatment with levodopa. Although many individual cases have been reported, there has only been one review previously published about this finding, and this did not discriminate age groups. We present five cases and briefly review the literature. It is important to enquire specifically about visual hallucinations in patients on levodopa therapy at follow up, as this otherwise potentially reversible side effect may be overlooked.