Drug interactions
Amlodipine-hydrochlorothiazide-valsartan + Isoproterenol
Severity: Moderate
Amlodipine-hydrochlorothiazide-valsartan and Isoproterenol: 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
Both hydrochlorothiazide and isoproterenol can lower serum potassium. Together they may cause clinically significant hypokalemia, which raises the risk of arrhythmia. The risk is greatest with systemic or high-dose beta-agonist use.
What this interaction means in plain words
Amlodipine-hydrochlorothiazide-valsartan and Isoproterenol 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.
Amlodipine-hydrochlorothiazide-valsartan belongs to Cardiovascular; Isoproterenol belongs to Respiratory.
Why it happens
Thiazides cause renal potassium loss while beta-2 stimulation shifts potassium into cells, producing additive hypokalemia.
What to do
Monitor serum potassium and ECG when isoproterenol is given systemically, and replace potassium as needed.
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?
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Other interactions of Amlodipine-hydrochlorothiazide-valsartan
- Aliskiren + Amlodipine-hydrochlorothiazide-valsartan Contraindicated
- Amlodipine-hydrochlorothiazide-valsartan + Dofetilide Contraindicated
- Amlodipine-hydrochlorothiazide-valsartan + Sparsentan Contraindicated
- Aceclofenac + Amlodipine-hydrochlorothiazide-valsartan Major
- Aldesleukin + Amlodipine-hydrochlorothiazide-valsartan Major
- Amifostine + Amlodipine-hydrochlorothiazide-valsartan Major
Other interactions of Isoproterenol
Frequently asked questions
Can I take Amlodipine-hydrochlorothiazide-valsartan with Isoproterenol?
MediHelp rates the interaction as moderate. Amlodipine-hydrochlorothiazide-valsartan and Isoproterenol 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. Both hydrochlorothiazide and isoproterenol can lower serum potassium. Together they may cause clinically significant hypokalemia, which raises the risk of arrhythmia. The risk is greatest with systemic or high-dose beta-agonist use.
How serious is the interaction between Amlodipine-hydrochlorothiazide-valsartan and Isoproterenol?
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 and ECG when isoproterenol is given systemically, and replace potassium as needed.
What other medicines interact with Amlodipine-hydrochlorothiazide-valsartan?
MediHelp also lists interactions of Amlodipine-hydrochlorothiazide-valsartan with, for example, Aliskiren, Dofetilide, Sparsentan. The full list is on the Amlodipine-hydrochlorothiazide-valsartan page.
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