famotidine · Medicine question

How do antacids affect the absorption of famotidine?

iatroX medicinesPublished 8 November 2026

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Antacids taken with famotidine may reduce its absorption and blood levels; for the Tillomed Laboratories Ltd product, famotidine should be taken 1–2 hours before an antacid.

Sources for this answer

Famotidine 40mg TabletsTillomed Laboratories Ltd · emc · SmPC §4.5 Interaction with other medicinal products · Version 4Document updated 21 January 2025

Sources checked 8 November 2026

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