Drug interactions
Candesartan-hydrochlorothiazide + Norepinephrine
Severity: Moderate
Candesartan-hydrochlorothiazide and Norepinephrine: 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
Norepinephrine is used as an intravenous vasopressor in acute settings, where blood pressure and electrolytes are monitored continuously. Thiazide-related hypokalemia can add to the arrhythmia risk of catecholamines, and the pressor response may counter the antihypertensives.
What this interaction means in plain words
Candesartan-hydrochlorothiazide and Norepinephrine 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.
Why it happens
Pharmacodynamic opposition on blood pressure, with additive potassium lowering from thiazide and beta-adrenergic effects.
What to do
Monitor serum potassium and ECG in critically ill patients receiving norepinephrine, and consider holding the antihypertensive combination during shock.
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 Candesartan-hydrochlorothiazide
- Aliskiren + Candesartan-hydrochlorothiazide Contraindicated
- Candesartan-hydrochlorothiazide + Dofetilide Contraindicated
- Candesartan-hydrochlorothiazide + Sparsentan Contraindicated
- Acemetacin + Candesartan-hydrochlorothiazide Major
- Amifostine + Candesartan-hydrochlorothiazide Major
- Amiloride + Candesartan-hydrochlorothiazide Major
Frequently asked questions
Can I take Candesartan-hydrochlorothiazide with Norepinephrine?
MediHelp rates the interaction as moderate. Candesartan-hydrochlorothiazide and Norepinephrine 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. Norepinephrine is used as an intravenous vasopressor in acute settings, where blood pressure and electrolytes are monitored continuously. Thiazide-related hypokalemia can add to the arrhythmia risk of catecholamines, and the pressor response may counter the antihypertensives.
How serious is the interaction between Candesartan-hydrochlorothiazide and Norepinephrine?
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 in critically ill patients receiving norepinephrine, and consider holding the antihypertensive combination during shock.
What other medicines interact with Candesartan-hydrochlorothiazide?
MediHelp also lists interactions of Candesartan-hydrochlorothiazide with, for example, Aliskiren, Dofetilide, Sparsentan. The full list is on the Candesartan-hydrochlorothiazide page.
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