Antacids (Tums, Maalox, Mylanta) and Pazopanib interaction

Antacids (Tums, Maalox, Mylanta) and Pazopanib: the Pazopanib prescribing label flags this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.

Major

Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.

What the FDA labels say

From the Pazopanib (VOTRIENT) label · effective 2025-12-16

Major

If concomitant administration with a gastric acid-reducing agent cannot be avoided, consider short-acting antacids in place of PPIs and H2-receptor antagonists.

Drug interactionsnames Antacids (Tums, Maalox, Mylanta)View label on DailyMed
Major

Separate short-acting antacid and pazopanib dosing by several hours to avoid a reduction in pazopanib exposure [see Dosage and Administration (2.4), Clinical Pharmacology (12.3)] .

Drug interactionsnames Antacids (Tums, Maalox, Mylanta)View label on DailyMed
Moderate

Consider short-acting antacids in place of proton pump inhibitors (PPIs) and H2-receptor antagonists.

Drug interactionsnames Antacids (Tums, Maalox, Mylanta)View label on DailyMed
Moderate

Separate antacid and pazopanib dosing by several hours.

Drug interactionsnames Antacids (Tums, Maalox, Mylanta)View label on DailyMed

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Not 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.