Drug interactions
Potassium chloride + Sacubitril-valsartan
Severity: Major
Potassium chloride and Sacubitril-valsartan: major interaction.
Last updated Sources: US FDA label
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
Potassium chloride adds a potassium load while sacubitril-valsartan lowers renal potassium excretion, which can cause clinically significant hyperkalemia and arrhythmias. Risk is increased in renal impairment and diabetes.
What this interaction means in plain words
Potassium chloride and Sacubitril-valsartan can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Potassium chloride belongs to Gastrointestinal Tract; Sacubitril-valsartan belongs to Cardiovascular.
Why it happens
Added potassium load combined with reduced aldosterone-mediated renal potassium excretion from angiotensin receptor blockade.
What to do
Avoid unless hypokalemia is documented; check potassium and creatinine within the first week or so and regularly thereafter, and reduce or stop supplements if potassium rises.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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References
Other interactions of Sacubitril-valsartan
- Aliskiren + Sacubitril-valsartan Contraindicated
- Benazepril + Sacubitril-valsartan Contraindicated
- Captopril + Sacubitril-valsartan Contraindicated
- Enalapril + Sacubitril-valsartan Contraindicated
- Fosinopril + Sacubitril-valsartan Contraindicated
- Lisinopril + Sacubitril-valsartan Contraindicated
Other interactions of Potassium chloride
Frequently asked questions
Can I take Potassium chloride with Sacubitril-valsartan?
MediHelp rates the interaction as major. Potassium chloride and Sacubitril-valsartan can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Potassium chloride adds a potassium load while sacubitril-valsartan lowers renal potassium excretion, which can cause clinically significant hyperkalemia and arrhythmias. Risk is increased in renal impairment and diabetes.
How serious is the interaction between Potassium chloride and Sacubitril-valsartan?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid unless hypokalemia is documented; check potassium and creatinine within the first week or so and regularly thereafter, and reduce or stop supplements if potassium rises.
What other medicines interact with Sacubitril-valsartan?
MediHelp also lists interactions of Sacubitril-valsartan with, for example, Aliskiren, Benazepril, Captopril. The full list is on the Sacubitril-valsartan page.
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