Drug interactions
Ethinyl estradiol-drospirenone + Pioglitazone
Severity: Minor
Ethinyl estradiol-drospirenone and Pioglitazone: 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
Pioglitazone may lower ethinyl estradiol exposure slightly, possibly reducing contraceptive reliability. Pioglitazone is also a CYP3A4 inducer in a weak sense, but the clinical impact is uncertain.
What this interaction means in plain words
Ethinyl estradiol-drospirenone and Pioglitazone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Ethinyl estradiol-drospirenone belongs to Endocrine; Pioglitazone belongs to Endocrine.
Why it happens
Possible weak induction of CYP3A4 metabolism of ethinyl estradiol; mechanism not firmly established.
What to do
Counsel on consistent pill use and consider added barrier contraception if breakthrough bleeding occurs.
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?
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Other interactions of Ethinyl estradiol-drospirenone
- Ethinyl estradiol-drospirenone + Fezolinetant Contraindicated
- Ethinyl estradiol-drospirenone + Ombitasvir / paritaprevir / ritonavir Contraindicated
- Ethinyl estradiol-drospirenone + Ombitasvir / paritaprevir / ritonavir and dasabuvir Contraindicated
- Ethinyl estradiol-drospirenone + Tranexamic acid Contraindicated
- Aminocaproic acid + Ethinyl estradiol-drospirenone Major
- Amobarbital + Ethinyl estradiol-drospirenone Major
Other interactions of Pioglitazone
Frequently asked questions
Can I take Ethinyl estradiol-drospirenone with Pioglitazone?
MediHelp rates the interaction as minor. Ethinyl estradiol-drospirenone and Pioglitazone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Pioglitazone may lower ethinyl estradiol exposure slightly, possibly reducing contraceptive reliability. Pioglitazone is also a CYP3A4 inducer in a weak sense, but the clinical impact is uncertain.
How serious is the interaction between Ethinyl estradiol-drospirenone and Pioglitazone?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Counsel on consistent pill use and consider added barrier contraception if breakthrough bleeding occurs.
What other medicines interact with Ethinyl estradiol-drospirenone?
MediHelp also lists interactions of Ethinyl estradiol-drospirenone with, for example, Fezolinetant, Ombitasvir / paritaprevir / ritonavir, Ombitasvir / paritaprevir / ritonavir and dasabuvir. The full list is on the Ethinyl estradiol-drospirenone page.
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