Drug interactions
Candesartan + Labetalol
Severity: Moderate
Candesartan and Labetalol: 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
Candesartan lowers blood pressure and can raise serum potassium, so combined use with labetalol may cause additive hypotension. This is a common and often intentional combination, but hyperkalemia can occur in renal impairment.
What this interaction means in plain words
Candesartan and Labetalol 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.
Candesartan belongs to Cardiovascular; Labetalol belongs to Cardiovascular.
Why it happens
Additive antihypertensive effects, with angiotensin receptor blockade reducing aldosterone-mediated potassium excretion.
What to do
Monitor blood pressure and serum potassium and renal function after initiation or dose changes. Adjust doses if hypotension or hyperkalemia develops.
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 Labetalol
- Amifostine + Labetalol Major
- Amiodarone + Labetalol Major
- Atenolol-chlorthalidone + Labetalol Major
- Atenolol + Labetalol Major
- Betaxolol + Labetalol Major
- Bisoprolol + Labetalol Major
Other interactions of Candesartan
- Aliskiren + Candesartan Contraindicated
- Candesartan + Sparsentan Contraindicated
- Amifostine + Candesartan Major
- Amiloride + Candesartan Major
- Amlodipine-benazepril + Candesartan Major
- Amlodipine-hydrochlorothiazide-valsartan + Candesartan Major
Frequently asked questions
Can I take Candesartan with Labetalol?
MediHelp rates the interaction as moderate. Candesartan and Labetalol 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. Candesartan lowers blood pressure and can raise serum potassium, so combined use with labetalol may cause additive hypotension. This is a common and often intentional combination, but hyperkalemia can occur in renal impairment.
How serious is the interaction between Candesartan and Labetalol?
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 blood pressure and serum potassium and renal function after initiation or dose changes. Adjust doses if hypotension or hyperkalemia develops.
What other medicines interact with Labetalol?
MediHelp also lists interactions of Labetalol with, for example, Amifostine, Amiodarone, Atenolol-chlorthalidone. The full list is on the Labetalol page.
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