Drug interactions
Indomethacin + Potassium chloride
Severity: Moderate
Indomethacin and Potassium chloride: 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
Indomethacin can reduce renal potassium excretion, and potassium chloride adds a potassium load. The combination can cause hyperkalemia, and oral potassium salts may also aggravate GI mucosal injury.
What this interaction means in plain words
Indomethacin and Potassium chloride 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.
Indomethacin belongs to Musculoskeletal; Potassium chloride belongs to Gastrointestinal Tract.
Why it happens
Additive hyperkalemia: NSAID-induced suppression of renin-aldosterone and reduced GFR plus exogenous potassium.
What to do
Monitor serum potassium and renal function, especially in elderly, diabetic or CKD patients, and reduce the potassium dose if levels rise.
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 Indomethacin
- Indomethacin + Ketorolac Contraindicated
- Indomethacin + Ketorolac intranasal Contraindicated
- Aceclofenac + Indomethacin Major
- Acemetacin + Indomethacin Major
- Acetylsalicylic acid + Indomethacin Major
- Alteplase + Indomethacin Major
Other interactions of Potassium chloride
Frequently asked questions
Can I take Indomethacin with Potassium chloride?
MediHelp rates the interaction as moderate. Indomethacin and Potassium chloride 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. Indomethacin can reduce renal potassium excretion, and potassium chloride adds a potassium load. The combination can cause hyperkalemia, and oral potassium salts may also aggravate GI mucosal injury.
How serious is the interaction between Indomethacin and Potassium chloride?
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 serum potassium and renal function, especially in elderly, diabetic or CKD patients, and reduce the potassium dose if levels rise.
What other medicines interact with Indomethacin?
MediHelp also lists interactions of Indomethacin with, for example, Ketorolac, Ketorolac intranasal, Aceclofenac. The full list is on the Indomethacin page.
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