Drug interactions
Atenolol-chlorthalidone + Sevoflurane
Severity: Moderate
Atenolol-chlorthalidone and Sevoflurane: 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
Sevoflurane causes dose-related vasodilation and myocardial depression, and these effects add to beta-blockade and diuretic-induced volume depletion. The result can be significant hypotension and bradycardia under anesthesia.
What this interaction means in plain words
Atenolol-chlorthalidone and Sevoflurane 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.
Atenolol-chlorthalidone belongs to Cardiovascular; Sevoflurane belongs to Central Nervous System.
Why it happens
Additive hypotensive and negative inotropic and chronotropic effects with blunted compensatory sympathetic response.
What to do
Monitor hemodynamics continuously, adjust the anesthetic depth, and correct volume status; have vasopressors and atropine available. Generally continue the beta-blocker through the perioperative period.
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 Atenolol-chlorthalidone
Other interactions of Sevoflurane
Frequently asked questions
Can I take Atenolol-chlorthalidone with Sevoflurane?
MediHelp rates the interaction as moderate. Atenolol-chlorthalidone and Sevoflurane 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. Sevoflurane causes dose-related vasodilation and myocardial depression, and these effects add to beta-blockade and diuretic-induced volume depletion. The result can be significant hypotension and bradycardia under anesthesia.
How serious is the interaction between Atenolol-chlorthalidone and Sevoflurane?
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 hemodynamics continuously, adjust the anesthetic depth, and correct volume status; have vasopressors and atropine available. Generally continue the beta-blocker through the perioperative period.
What other medicines interact with Atenolol-chlorthalidone?
MediHelp also lists interactions of Atenolol-chlorthalidone with, for example, Acebutolol, Aldesleukin, Amiodarone. The full list is on the Atenolol-chlorthalidone page.
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