Carbamazepine · more major-labeled pairs than Ethinyl Estradiol
SPL labels Ethinyl Estradiol + Carbamazepine as minor; Ethinyl Estradiol 14 / Carbamazepine 110 in that band.
Mechanism on file: Carbamazepine speeds up the liver's ability to process birth control hormones, which makes them leave your body faster. This can make the birth control less effective at preventing pregnancy.
FDA SPL severity: Minor
Ethinyl Estradiol + Carbamazepine · SPL mechanism field
Carbamazepine speeds up the liver's ability to process birth control hormones, which makes them leave your body faster. This can make the birth control less effective at preventing pregnancy.
Minor band excerpt · Ethinyl Estradiol with Carbamazepine
Some drugs or herbal products that may decrease the effectiveness of hormonal contraceptives include: barbiturates bosentan carbamazepine felbamate griseofulvin oxcarbazepine phenytoin rifampin St.
Ethinyl Estradiol · 14 minor + 14 total pairs
- Acetaminophen minor
- Ascorbic Acid minor
- Atorvastatin minor
- Estradiol minor
Carbamazepine · 3 major-labeled pairs (vs Ethinyl Estradiol's 0)
- Acetaminophen minor
- Acetaminophen/Oxycodone minor
- Albendazole minor
- Alprazolam minor
FDA Drug Labels (SPL) via openFDA. Registry display only. Not medical advice.
Read our methodology - how this data is sourced, computed, and verified.