Pseudoephedrine and Rasagiline interaction
Pseudoephedrine and Rasagiline: both prescribing labels flag 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 Pseudoephedrine (Pseudoephedrine hydrochloride) label · effective 2026-05-06
Warnings Do not use if you are now taking a prescription monoamine oxidase inhibitor (MAOI) (certain drugs for depression, psychiatric or emotional conditions, or Parkinson's disease), or for 2 weeks after stopping the MAOI drug.
If you do not know if your prescription drug contains an MAOI, ask a doctor or pharmacist before taking this product.
From the Rasagiline label · effective 2020-06-30
Hypertensive crisis has been reported in patients taking the recommended dose of rasagiline and sympathomimetic medications.
Severe hypertension has been reported in patients taking the recommended dose of rasagiline and ophthalmic drops containing sympathomimetic medications.
Nevertheless, caution should be exercised when concomitantly using recommended doses of rasagiline with any sympathomimetic medications including nasal, oral, and ophthalmic decongestants and cold remedies.
Sympathomimetic Medications The concomitant use of rasagiline and sympathomimetic medications was not allowed in clinical studies.
Severe hypertensive reactions have followed the administration of sympathomimetics and nonselective MAO inhibitors.
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.