Drug interactions
Quinapril + Telmisartan-amlodipine
Severity: Major
Quinapril and Telmisartan-amlodipine: major 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
Dual blockade of the renin-angiotensin system with an ARB and an ACE inhibitor raises the risk of hypotension, hyperkalemia and acute renal impairment, with no clear added benefit in most patients.
What this interaction means in plain words
Quinapril and Telmisartan-amlodipine 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.
Why it happens
Additive inhibition of the renin-angiotensin-aldosterone system at two levels.
What to do
Avoid the combination in most patients. If used, monitor blood pressure, potassium and creatinine closely.
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?
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Other interactions of Telmisartan-amlodipine
- Aliskiren + Telmisartan-amlodipine Contraindicated
- Sparsentan + Telmisartan-amlodipine Contraindicated
- Amifostine + Telmisartan-amlodipine Major
- Amiloride + Telmisartan-amlodipine Major
- Benazepril + Telmisartan-amlodipine Major
- Candesartan + Telmisartan-amlodipine Major
Frequently asked questions
Can I take Quinapril with Telmisartan-amlodipine?
MediHelp rates the interaction as major. Quinapril and Telmisartan-amlodipine 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. Dual blockade of the renin-angiotensin system with an ARB and an ACE inhibitor raises the risk of hypotension, hyperkalemia and acute renal impairment, with no clear added benefit in most patients.
How serious is the interaction between Quinapril and Telmisartan-amlodipine?
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 in most patients. If used, monitor blood pressure, potassium and creatinine closely.
What other medicines interact with Telmisartan-amlodipine?
MediHelp also lists interactions of Telmisartan-amlodipine with, for example, Aliskiren, Sparsentan, Amifostine. The full list is on the Telmisartan-amlodipine page.
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