Skip to content

Drug interactions

Cyclosporin + Indomethacin

Severity: Major

Cyclosporin and Indomethacin: major interaction.

Last updated Sources: US FDA label

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

Indomethacin strongly inhibits renal prostaglandins and can precipitate acute kidney injury when combined with cyclosporine. Hyperkalemia and fluid retention may also occur.

What this interaction means in plain words

Cyclosporin and Indomethacin can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.

Cyclosporin belongs to Miscellaneous; Indomethacin belongs to Musculoskeletal.

Evidence level: Moderate

Why it happens

Additive renal vasoconstriction from prostaglandin inhibition and calcineurin inhibition.

What to do

Avoid the combination if possible; if used, monitor serum creatinine, potassium and blood pressure closely and stop if renal function worsens.

What to ask your pharmacist

  • Does the benefit of taking both outweigh the risk in my case?
  • Do I need any blood test, ECG or other check while on both?
  • What early warning signs should I watch for, and what should I do if they appear?

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

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Cyclosporin and Indomethacin, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 7 days on the web. No card needed.

References

Frequently asked questions

Can I take Cyclosporin with Indomethacin?

MediHelp rates the interaction as major. Cyclosporin and Indomethacin can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Indomethacin strongly inhibits renal prostaglandins and can precipitate acute kidney injury when combined with cyclosporine. Hyperkalemia and fluid retention may also occur.

How serious is the interaction between Cyclosporin and Indomethacin?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination if possible; if used, monitor serum creatinine, potassium and blood pressure closely and stop if renal function worsens.

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

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

Browse A–Z · Drug interactions

Get the app Sign in