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Drug interactions

Atenolol-chlorthalidone + Salsalate

Severity: Moderate

Atenolol-chlorthalidone and Salsalate: 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

Salsalate is a salicylate NSAID that can reduce the blood pressure lowering effect of atenolol and chlorthalidone with continued use. NSAIDs combined with diuretics may also increase the risk of renal impairment, especially in dehydrated or older patients.

What this interaction means in plain words

Atenolol-chlorthalidone and Salsalate 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.

Evidence level: Moderate

Why it happens

Inhibition of prostaglandin synthesis causing sodium and water retention and reduced renal perfusion.

What to do

Monitor blood pressure and renal function during regular use beyond a week; use the lowest effective salsalate dose and maintain hydration.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Atenolol-chlorthalidone with Salsalate?

MediHelp rates the interaction as moderate. Atenolol-chlorthalidone and Salsalate 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. Salsalate is a salicylate NSAID that can reduce the blood pressure lowering effect of atenolol and chlorthalidone with continued use. NSAIDs combined with diuretics may also increase the risk of renal impairment, especially in dehydrated or older patients.

How serious is the interaction between Atenolol-chlorthalidone and Salsalate?

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 renal function during regular use beyond a week; use the lowest effective salsalate dose and maintain hydration.

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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