Drug interactions
Amiloride + Arformoterol
Severity: Minor
Amiloride and Arformoterol: minor 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
Arformoterol can lower serum potassium, which partly opposes the potassium-sparing action of amiloride. The overall effect on potassium is unpredictable but usually small.
What this interaction means in plain words
Amiloride and Arformoterol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Amiloride belongs to Cardiovascular; Arformoterol belongs to Respiratory.
Why it happens
Beta-2 agonist-driven intracellular potassium shift versus amiloride's renal potassium retention.
What to do
Monitor serum potassium in patients with heart disease or renal impairment. No dose change is routinely needed.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Amiloride
- Amiloride + Eplerenone Contraindicated
- Amiloride + Spironolactone Contraindicated
- Amiloride + Triamterene Contraindicated
- Aceclofenac + Amiloride Major
- Acemetacin + Amiloride Major
- Amiloride + Amlodipine-benazepril Major
Other interactions of Arformoterol
Frequently asked questions
Can I take Amiloride with Arformoterol?
MediHelp rates the interaction as minor. Amiloride and Arformoterol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Arformoterol can lower serum potassium, which partly opposes the potassium-sparing action of amiloride. The overall effect on potassium is unpredictable but usually small.
How serious is the interaction between Amiloride and Arformoterol?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor serum potassium in patients with heart disease or renal impairment. No dose change is routinely needed.
What other medicines interact with Amiloride?
MediHelp also lists interactions of Amiloride with, for example, Eplerenone, Spironolactone, Triamterene. The full list is on the Amiloride page.
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