Drug interactions
Atenolol-chlorthalidone + Iodixanol
Severity: Moderate
Atenolol-chlorthalidone and Iodixanol: 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
Patients taking beta-blockers such as atenolol may have more severe reactions to iodinated contrast media. They can also respond poorly to epinephrine given to treat anaphylactoid reactions. Chlorthalidone adds a volume-depletion risk that may worsen contrast-associated kidney injury.
What this interaction means in plain words
Atenolol-chlorthalidone and Iodixanol 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
Beta-blockade lowers the threshold for contrast hypersensitivity reactions and blunts the beta-adrenergic response to epinephrine rescue therapy.
What to do
Make sure resuscitation equipment is available and be prepared to use glucagon if epinephrine proves ineffective. Ensure adequate hydration and monitor renal function in patients on diuretics.
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
Frequently asked questions
Can I take Atenolol-chlorthalidone with Iodixanol?
MediHelp rates the interaction as moderate. Atenolol-chlorthalidone and Iodixanol 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. Patients taking beta-blockers such as atenolol may have more severe reactions to iodinated contrast media. They can also respond poorly to epinephrine given to treat anaphylactoid reactions. Chlorthalidone adds a volume-depletion risk that may worsen contrast-associated kidney injury.
How serious is the interaction between Atenolol-chlorthalidone and Iodixanol?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Make sure resuscitation equipment is available and be prepared to use glucagon if epinephrine proves ineffective. Ensure adequate hydration and monitor renal function in patients on diuretics.
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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