Antacids (Tums, Maalox, Mylanta) and Ibandronate interaction
Antacids (Tums, Maalox, Mylanta) and Ibandronate: the Ibandronate prescribing label mentions this combination without an instruction to avoid it or change the dose.
Mentioned, no instruction to avoid. Worth knowing; rarely a reason to change anything on its own.
What the FDA labels say
From the Ibandronate (IBANDRONATE SODIUM) label · effective 2026-02-19
Calcium supplements, antacids and some oral medications may interfere with absorption of ibandronate.
Calcium Supplements/Antacids Products containing calcium and other multivalent cations (such as aluminum, magnesium, iron) are likely to interfere with absorption of ibandronate sodium tablets.
Therefore, instruct patients to take ibandronate sodium tablets at least 60 minutes before any oral medications, including medications containing multivalent cations (such as antacids, supplements or vitamins).
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.