Does Relugolix Estradiol Hemihydrate And Norethindrone Acetate Interact with Strong Cyp3a4 And P Glycoprotein Inducers?
Relugolix Estradiol Hemihydrate And Norethindrone Acetate and Strong Cyp3a4 And P Glycoprotein Inducers have a major drug interaction according to U.S. FDA drug labeling data. Decreases AUC and Cmax of relugolix, estradiol, and/or norethindrone, may decrease therapeutic effects of MYFEMBREE. Avoid use. The mechanism involves p-glycoprotein and cyp3a induction. Patients taking both medications should consult their healthcare provider before starting, stopping, or changing the dosage of either drug. This information is based on official FDA drug labeling sourced from OpenFDA and the NIH National Library of Medicine.
- Severity
- Major
- Relugolix Estradiol Hemihydrate And Norethindrone Acetate Class
- Gonadotropin Releasing Hormone Receptor Antagonist
- Management
- Close medical supervision required
- Data Source
- U.S. FDA via OpenFDA
How This Interaction Works
The interaction between Relugolix Estradiol Hemihydrate And Norethindrone Acetate and Strong Cyp3a4 And P Glycoprotein Inducers occurs because p-glycoprotein and cyp3a induction. Clinically, this means decreases auc and cmax of relugolix, estradiol, and/or norethindrone, may decrease therapeutic effects of myfembree. avoid use. This is classified as a major interaction, meaning it could cause serious harm if not properly managed. Your healthcare provider may need to adjust dosages, substitute one medication, or increase monitoring frequency.
What To Tell Your Doctor or Pharmacist
If you are taking Relugolix Estradiol Hemihydrate And Norethindrone Acetate and your doctor is considering prescribing Strong Cyp3a4 And P Glycoprotein Inducers (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 how frequently you should be monitored while these are co-prescribed
- Ask whether any dosage adjustments are needed
- Never stop or change either medication without first consulting your healthcare provider