Drug interactions
Indomethacin + Telmisartan
Severity: Moderate
Indomethacin and Telmisartan: moderate 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
Indomethacin can reduce the antihypertensive effect of telmisartan. Together they can cause acute kidney injury and hyperkalemia, especially in elderly or volume-depleted patients.
What this interaction means in plain words
Indomethacin and Telmisartan can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Indomethacin belongs to Musculoskeletal; Telmisartan belongs to Cardiovascular.
Why it happens
NSAID inhibition of renal prostaglandins reduces afferent vasodilation while angiotensin receptor blockade dilates the efferent arteriole, lowering glomerular filtration and promoting potassium retention.
What to do
Monitor blood pressure, creatinine and potassium after starting the NSAID and keep the patient well hydrated. Avoid prolonged use in high-risk patients.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Indomethacin and Telmisartan, 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.
Other interactions of Indomethacin
- Indomethacin + Ketorolac Contraindicated
- Indomethacin + Ketorolac intranasal Contraindicated
- Aceclofenac + Indomethacin Major
- Acemetacin + Indomethacin Major
- Acetylsalicylic acid + Indomethacin Major
- Alteplase + Indomethacin Major
Other interactions of Telmisartan
- Aliskiren + Telmisartan Contraindicated
- Sparsentan + Telmisartan Contraindicated
- Amifostine + Telmisartan Major
- Amiloride + Telmisartan Major
- Amlodipine-benazepril + Telmisartan Major
- Amlodipine-hydrochlorothiazide-valsartan + Telmisartan Major
Frequently asked questions
Can I take Indomethacin with Telmisartan?
MediHelp rates the interaction as moderate. Indomethacin and Telmisartan can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Indomethacin can reduce the antihypertensive effect of telmisartan. Together they can cause acute kidney injury and hyperkalemia, especially in elderly or volume-depleted patients.
How serious is the interaction between Indomethacin and Telmisartan?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood pressure, creatinine and potassium after starting the NSAID and keep the patient well hydrated. Avoid prolonged use in high-risk patients.
What other medicines interact with Indomethacin?
MediHelp also lists interactions of Indomethacin with, for example, Ketorolac, Ketorolac intranasal, Aceclofenac. The full list is on the Indomethacin 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.