Drug interactions
Drospirenone + Potassium chloride
Severity: Moderate
Drospirenone 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
Drospirenone has antimineralocorticoid activity that can raise serum potassium, and potassium chloride supplements add to the load. Hyperkalemia may cause dangerous arrhythmias, especially with renal impairment.
What this interaction means in plain words
Drospirenone 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.
Drospirenone belongs to Endocrine; Potassium chloride belongs to Gastrointestinal Tract.
Why it happens
Additive potassium retention from drospirenone's antialdosterone effect plus exogenous potassium.
What to do
Check serum potassium during the first cycle of concurrent use and periodically thereafter; avoid combination in renal or adrenal insufficiency.
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 Drospirenone
Other interactions of Potassium chloride
Frequently asked questions
Can I take Drospirenone with Potassium chloride?
MediHelp rates the interaction as moderate. Drospirenone 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. Drospirenone has antimineralocorticoid activity that can raise serum potassium, and potassium chloride supplements add to the load. Hyperkalemia may cause dangerous arrhythmias, especially with renal impairment.
How serious is the interaction between Drospirenone 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: Check serum potassium during the first cycle of concurrent use and periodically thereafter; avoid combination in renal or adrenal insufficiency.
What other medicines interact with Drospirenone?
MediHelp also lists interactions of Drospirenone with, for example, Belzutifan, Bosentan, Carbamazepine. The full list is on the Drospirenone page.
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