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Drug interactions

Cyclosporin + Famotidine

Severity: Minor

Cyclosporin and Famotidine: minor interaction.

Last updated

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Summary

Famotidine has been reported to delay cyclosporin absorption, but clinically significant changes in exposure are uncommon. The effect is generally small.

What this interaction means in plain words

Cyclosporin and Famotidine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Cyclosporin belongs to Miscellaneous; Famotidine belongs to Gastrointestinal Tract.

Evidence level: Low

Why it happens

Possible change in gastric pH or absorption kinetics; the mechanism is not firmly established.

What to do

No routine adjustment is needed; check cyclosporin trough levels if graft function or toxicity signs change after famotidine is started.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Cyclosporin with Famotidine?

MediHelp rates the interaction as minor. Cyclosporin and Famotidine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Famotidine has been reported to delay cyclosporin absorption, but clinically significant changes in exposure are uncommon. The effect is generally small.

How serious is the interaction between Cyclosporin and Famotidine?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine adjustment is needed; check cyclosporin trough levels if graft function or toxicity signs change after famotidine is started.

What other medicines interact with Cyclosporin?

MediHelp also lists interactions of Cyclosporin with, for example, Adenovirus types 4 and 7 live, Aliskiren, Bcg vaccine live. The full list is on the Cyclosporin page.

Full monographs, dosing and an interaction checker in the MediHelp app

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