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Drug interactions

Celecoxib + Chlorothiazide

Severity: Moderate

Celecoxib and Chlorothiazide: 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

NSAIDs can blunt the diuretic and antihypertensive effects of thiazides and, in volume-depleted patients, raise the risk of acute kidney injury. The effect on potassium is variable.

What this interaction means in plain words

Celecoxib and Chlorothiazide 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.

Celecoxib belongs to Musculoskeletal; Chlorothiazide belongs to Cardiovascular.

Evidence level: Moderate

Why it happens

NSAID inhibition of renal prostaglandins reduces natriuresis and renal perfusion, opposing thiazide action.

What to do

Monitor blood pressure, fluid status, renal function and electrolytes. Ensure adequate hydration and adjust diuretic therapy if control worsens.

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 Celecoxib with Chlorothiazide?

MediHelp rates the interaction as moderate. Celecoxib and Chlorothiazide 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. NSAIDs can blunt the diuretic and antihypertensive effects of thiazides and, in volume-depleted patients, raise the risk of acute kidney injury. The effect on potassium is variable.

How serious is the interaction between Celecoxib and Chlorothiazide?

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, fluid status, renal function and electrolytes. Ensure adequate hydration and adjust diuretic therapy if control worsens.

What other medicines interact with Celecoxib?

MediHelp also lists interactions of Celecoxib with, for example, Ketorolac, Ketorolac intranasal, Aceclofenac. The full list is on the Celecoxib page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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