Drug interactions
Drospirenone + Potassium acid
Severity: Moderate
Drospirenone and Potassium acid: 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 acid phosphate adds potassium load. Hyperkalemia may cause dangerous arrhythmias, especially with renal impairment.
What this interaction means in plain words
Drospirenone and Potassium acid 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.
Why it happens
Additive potassium retention from drospirenone's antialdosterone effect plus exogenous potassium supplementation.
What to do
Check serum potassium during the first cycle of concurrent use and periodically thereafter, particularly in renal impairment.
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
Frequently asked questions
Can I take Drospirenone with Potassium acid?
MediHelp rates the interaction as moderate. Drospirenone and Potassium acid 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 acid phosphate adds potassium load. Hyperkalemia may cause dangerous arrhythmias, especially with renal impairment.
How serious is the interaction between Drospirenone and Potassium acid?
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, particularly in renal impairment.
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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