Levodopa and Tolcapone interaction
Levodopa and Tolcapone: the Tolcapone prescribing label flags this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.
Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.
What the FDA labels say
From the Tolcapone label · effective 2020-10-01
Tolcapone tablets is also contraindicated in patients with a history of nontraumatic rhabdomyolysis or hyperpyrexia and confusion possibly related to medication (see PRECAUTIONS: Events Reported With Dopaminergic Therapy ).
Falling Asleep During Activities of Daily Living and Somnolence Tolcapone increases plasma levels of levodopa in patients taking concomitant carbidopa levodopa products (see DOSAGE AND ADMINISTRATION ).
Therefore, caution should be exercised when desipramine is administered to Parkinson's disease patients being treated with Tolcapone tablets and levodopa/carbidopa.
Tolcapone enhances levodopa bioavailability and, therefore, may increase the occurrence of orthostatic hypotension.
Clinical trial data suggest that hallucinations associated with tolcapone use may be responsive to levodopa dose reduction.
Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.
Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.