Does Levonorgestrel And Ethinyl Estradiol And Ferrous Fumarate Interact with Efavirenz?
CDI records a moderate classification for Levonorgestrel And Ethinyl Estradiol And Ferrous Fumarate and Efavirenz. The stored summary is: Non-nucleoside reverse transcriptase inhibitor that may decrease plasma concentrations of estrogen and/or progestin. The mechanism involves nnrti 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
- Efavirenz Class
- Human Immunodeficiency Virus 1 Non-Nucleoside Analog Reverse Transcriptase Inhibitor
- Management
- Monitor for effects
- Data Source
- U.S. FDA via OpenFDA
Recorded Mechanism
NNRTI enzyme induction
What To Tell Your Doctor or Pharmacist
If you are taking Levonorgestrel And Ethinyl Estradiol And Ferrous Fumarate and your doctor is considering prescribing Efavirenz (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