Mesalamine has 6 known drug interactions based on U.S. FDA drug labeling data. 3 are classified as major interactions requiring close medical supervision. Notable interactions include combinations with Azathioprine, Mercaptopurine, Nsaids. Patients taking Mesalamine should inform their healthcare provider of all current medications — including over-the-counter drugs and supplements — to avoid potentially harmful combinations. Data sourced from OpenFDA and the NIH National Library of Medicine.
- Total
- 6
- Major
- 3
- Moderate
- 3
Major (3)
- Mesalamine + Azathioprine— Increased risk of blood disorders and bone marrow failure; monitor complete blood cell counts and platelet counts if con…
- Mesalamine + Mercaptopurine— Increased risk of blood disorders and bone marrow failure; monitor complete blood cell counts and platelet counts if con…
- Mesalamine + Nsaids— Increased risk of nephrotoxicity with concurrent use; monitor renal function and mesalamine-related adverse reactions.
Moderate (3)
- Mesalamine + Antacids Containing Calcium— Antacids may interfere with dissolution of mesalamine extended-release capsule coating due to pH effects; avoid co-admin…
- Mesalamine + Nonsteroidal Anti-Inflammatory Drugs (Nsaids)— Concurrent use may increase risk of nephrotoxicity. Monitor patients for changes in renal function and mesalamine-relate…
- Mesalamine + Thioguanine— Inhibits TPMT enzyme; should be administered with caution to patients receiving concurrent thioguanine therapy.