Drug interactions
Potassium citrate + Salmeterol
Severity: Minor
Potassium citrate and Salmeterol: 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
Salmeterol can lower serum potassium by driving it into cells, while potassium citrate supplies potassium. The effects oppose each other, so a significant disturbance is uncommon. Patients with kidney disease may still be at risk of hyperkalemia from the supplement.
What this interaction means in plain words
Potassium citrate and Salmeterol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Potassium citrate belongs to Gastrointestinal Tract; Salmeterol belongs to Respiratory.
Why it happens
Opposing effects on serum potassium: beta2-mediated cellular shift versus potassium supplementation.
What to do
No routine adjustment is needed; monitor serum potassium in renal impairment or when high-dose potassium is used.
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 Salmeterol
- Ritonavir + Salmeterol Contraindicated
- Salmeterol + Saquinavir Contraindicated
- Amitriptyline + Salmeterol Major
- Arformoterol + Salmeterol Major
- Atazanavir + Salmeterol Major
- Budesonide-formoterol + Salmeterol Major
Other interactions of Potassium citrate
Frequently asked questions
Can I take Potassium citrate with Salmeterol?
MediHelp rates the interaction as minor. Potassium citrate and Salmeterol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Salmeterol can lower serum potassium by driving it into cells, while potassium citrate supplies potassium. The effects oppose each other, so a significant disturbance is uncommon. Patients with kidney disease may still be at risk of hyperkalemia from the supplement.
How serious is the interaction between Potassium citrate and Salmeterol?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine adjustment is needed; monitor serum potassium in renal impairment or when high-dose potassium is used.
What other medicines interact with Salmeterol?
MediHelp also lists interactions of Salmeterol with, for example, Ritonavir, Saquinavir, Amitriptyline. The full list is on the Salmeterol page.
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