Modafinil and Ramelteon interaction
Modafinil and Ramelteon: the Ramelteon 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 Ramelteon (Rozerem) label · effective 2026-04-15
Rifampin (strong CYP enzyme inducer): Decreases exposure to and effects of ramelteon.
Rifampin (strong CYP enzyme inducer) Administration of multiple doses of rifampin resulted in a mean decrease of approximately 80% in total exposure to ramelteon and metabolite M-II.
Efficacy may be reduced when ROZEREM is used in combination with strong CYP enzyme inducers such as rifampin [see Clinical Pharmacology (12.5) ] .
In addition, in vitro data indicate that ramelteon does not cause false-positive results for benzodiazepines, opiates, barbiturates, cocaine, cannabinoids, or amphetamines in two standard urine drug screening methods in vitro .
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.