Dexmethylphenidate and Labetalol interaction
Dexmethylphenidate and Labetalol: both prescribing labels describe 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 Dexmethylphenidate (Focalin XR) label · effective 2025-09-23
• Antihypertensive Drugs: Monitor blood pressure.
Adjust dosage of antihypertensive drug as needed ( 7.1 ).
Antihypertensive Drugs Clinical impact Focalin XR may decrease the effectiveness of drugs used to treat hypertension [see Warnings and Precautions ( 5.3 )].
Intervention Monitor blood pressure and adjust the dosage of the antihypertensive drug as needed.
From the Labetalol (Labetalol Hydrochloride) label · effective 2025-12-19
Labetalol has also been reported to produce a false-positive test for amphetamine when screening urine for the presence of drugs using the commercially available assay methods.
When patients being treated with labetalol have a positive urine test for amphetamine using these techniques, confirm using more specific methods, such as a gas chromatographic-mass spectrometer technique.
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.