Drug interactions
Candesartan-hydrochlorothiazide + Umeclidinium bromide / vilanterol inhaled
Severity: Moderate
Candesartan-hydrochlorothiazide and Umeclidinium bromide / vilanterol inhaled: 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
Vilanterol, a beta-agonist, can lower serum potassium and may cause ECG changes, effects that can be added to by thiazide-induced hypokalemia. Clinically significant effects are mainly with higher doses.
What this interaction means in plain words
Candesartan-hydrochlorothiazide and Umeclidinium bromide / vilanterol inhaled 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
Additive hypokalemia from beta2-agonist intracellular potassium shift and thiazide renal potassium loss.
What to do
Monitor serum potassium in patients at risk, and do not exceed the recommended inhaler dose.
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 Umeclidinium bromide / vilanterol inhaled?
MediHelp rates the interaction as moderate. Candesartan-hydrochlorothiazide and Umeclidinium bromide / vilanterol inhaled 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. Vilanterol, a beta-agonist, can lower serum potassium and may cause ECG changes, effects that can be added to by thiazide-induced hypokalemia. Clinically significant effects are mainly with higher doses.
How serious is the interaction between Candesartan-hydrochlorothiazide and Umeclidinium bromide / vilanterol inhaled?
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 in patients at risk, and do not exceed the recommended inhaler dose.
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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