Drug interactions
Drospirenone + Methyclothiazide
Severity: Minor
Drospirenone and Methyclothiazide: 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
Drospirenone can raise potassium, while thiazide diuretics such as methyclothiazide typically lower it through increased renal loss. The effects partly offset each other, so the net effect is unpredictable but usually small.
What this interaction means in plain words
Drospirenone and Methyclothiazide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Opposing effects on potassium: antimineralocorticoid potassium retention versus thiazide-induced renal potassium wasting.
What to do
No specific adjustment is needed; check serum potassium after starting the combination in patients with renal impairment or on other agents affecting potassium.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Drospirenone and Methyclothiazide, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
Other interactions of Drospirenone
Frequently asked questions
Can I take Drospirenone with Methyclothiazide?
MediHelp rates the interaction as minor. Drospirenone and Methyclothiazide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Drospirenone can raise potassium, while thiazide diuretics such as methyclothiazide typically lower it through increased renal loss. The effects partly offset each other, so the net effect is unpredictable but usually small.
How serious is the interaction between Drospirenone and Methyclothiazide?
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 specific adjustment is needed; check serum potassium after starting the combination in patients with renal impairment or on other agents affecting potassium.
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.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
