Amantadine and Sepiapterin interaction
Amantadine and Sepiapterin: the Sepiapterin 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 Sepiapterin (Sephience) label · effective 2026-04-24
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 SEPHIENCE [see Drug Interactions ( 7.2 )] .
Interaction with Levodopa : Monitor patients for a change in neurologic status.
Effects of SEPHIENCE on Other Drugs SEPHIENCE may increase the availability of tyrosine, a precursor of levodopa.
Monitor patients for a change in neurologic status when levodopa is administered with SEPHIENCE [see Warnings and Precautions ( 5.3 )] .
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.