Levodopa and Sapropterin interaction
Levodopa and Sapropterin: the Sapropterin prescribing label describes an interaction that usually calls for monitoring, a dose change, or spacing the doses.
Usually manageable with monitoring or a dose change. Tell your pharmacist you take both.
What the FDA labels say
From the Sapropterin (Kuvan) label · effective 2024-08-26
Interaction with Levodopa : Seizures, over-stimulation or irritability may occur; monitor patients for a change in neurologic status.
Monitor patients who are receiving levodopa for changes in neurological status during treatment with KUVAN [see Drug Interactions ( 7 )] .
Table 4: Clinically Relevant Drug Interactions Levodopa Clinical Impact Sapropterin dihydrochloride may increase the availability of tyrosine, a precursor of levodopa.
Neurologic events were reported postmarketing in patients receiving sapropterin and levodopa concomitantly for a non-PKU indication [see Warnings and Precautions ( 5.5 )] .
Interaction with Levodopa In a 10-year post-marketing safety surveillance program for a non-PKU indication using another sapropterin product, 3 patients with underlying neurological disorders experienced seizures, exacerbation of seizures, over-stimulation, and irritability during co-administration of levodopa and sapropterin.
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.