Does Carbamazepine Interact with Etonogestrel And Ethinyl Estradiol Vaginal Ring?
CDI records a moderate classification for Carbamazepine and Etonogestrel And Ethinyl Estradiol Vaginal Ring. The stored summary is: Induces CYP3A4, may decrease plasma concentrations of CHCs and potentially diminish effectiveness or increase breakthrough bleeding. The mechanism involves cyp3a4 enzyme induction. Patients taking both medications should consult their healthcare provider before starting, stopping, or changing the dosage of either drug. This record was extracted from drug labeling through openFDA. NIH/NLM RxNorm is used for drug identities. The summary and severity classification are CDI's processed information, not a verbatim source quotation. Product, route, and patient circumstances matter.
- Severity
- Moderate
- Carbamazepine Class
- Mood Stabilizer
- Etonogestrel And Ethinyl Estradiol Vaginal Ring Class
- Estrogen
- Management
- Monitor for effects
- Data Source
- U.S. FDA via OpenFDA
Recorded Mechanism
CYP3A4 enzyme induction
What To Tell Your Doctor or Pharmacist
If you are taking Carbamazepine and your doctor is considering prescribing Etonogestrel And Ethinyl Estradiol Vaginal Ring (or vice versa), make sure to:
- Inform your doctor and pharmacist of all current medications, including over-the-counter drugs and supplements
- Ask whether the benefits of combining these medications outweigh the risks for your specific situation
- Ask what symptoms to watch for that would indicate the interaction is causing problems
- Ask whether any dosage adjustments are needed
- Never stop or change either medication without first consulting your healthcare provider