Drug interactions
Drospirenone + Parecoxib
Severity: Moderate
Drospirenone and Parecoxib: 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 can raise serum potassium, and parecoxib, a COX-2 inhibitor prodrug of valdecoxib, can reduce renal potassium excretion. Combined use may increase hyperkalemia risk in patients with renal impairment or on other potassium-raising drugs.
What this interaction means in plain words
Drospirenone and Parecoxib 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 hyperkalemia from aldosterone antagonism and COX-2 inhibition reducing renal potassium excretion.
What to do
Check serum potassium in at-risk patients when parecoxib is used for more than a brief perioperative course. Prefer the shortest duration.
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 Parecoxib?
MediHelp rates the interaction as moderate. Drospirenone and Parecoxib 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 can raise serum potassium, and parecoxib, a COX-2 inhibitor prodrug of valdecoxib, can reduce renal potassium excretion. Combined use may increase hyperkalemia risk in patients with renal impairment or on other potassium-raising drugs.
How serious is the interaction between Drospirenone and Parecoxib?
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 in at-risk patients when parecoxib is used for more than a brief perioperative course. Prefer the shortest duration.
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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