Drug interactions
Isoproterenol + Telmisartan-amlodipine
Severity: Moderate
Isoproterenol and Telmisartan-amlodipine: 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
Isoproterenol, a beta-agonist, lowers serum potassium by shifting it into cells, and this may add to the potassium-lowering effect of hydrochlorothiazide in the combination product. Telmisartan may partly offset this. Hypokalemia can raise arrhythmia risk, and isoproterenol also may cause hypotension or tachycardia on top of the antihypertensives.
What this interaction means in plain words
Isoproterenol and Telmisartan-amlodipine 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.
Isoproterenol belongs to Respiratory; Telmisartan-amlodipine belongs to Cardiovascular.
Why it happens
Beta-2 stimulated intracellular potassium shift adds to renal potassium loss; additive vasodilation and hypotension can also occur.
What to do
Monitor serum potassium, heart rhythm and blood pressure during isoproterenol therapy and correct hypokalemia.
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 Isoproterenol and Telmisartan-amlodipine, 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 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
Other interactions of Isoproterenol
Frequently asked questions
Can I take Isoproterenol with Telmisartan-amlodipine?
MediHelp rates the interaction as moderate. Isoproterenol and Telmisartan-amlodipine 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. Isoproterenol, a beta-agonist, lowers serum potassium by shifting it into cells, and this may add to the potassium-lowering effect of hydrochlorothiazide in the combination product. Telmisartan may partly offset this. Hypokalemia can raise arrhythmia risk, and isoproterenol also may cause hypotension or tachycardia on top of the antihypertensives.
How serious is the interaction between Isoproterenol and Telmisartan-amlodipine?
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 serum potassium, heart rhythm and blood pressure during isoproterenol therapy and correct hypokalemia.
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.
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.
