Drug interactions
Mestranol + Mycophenolate mofetil
Severity: Moderate
Mestranol and Mycophenolate mofetil: moderate 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
Mycophenolate labeling notes that it may lower exposure to hormonal contraceptives, and mestranol is an ethinylestradiol prodrug used in contraception. Reduced contraceptive reliability matters because mycophenolate is teratogenic.
What this interaction means in plain words
Mestranol and Mycophenolate mofetil can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Why it happens
Mechanism is not established; effects on enterohepatic recirculation or hormone metabolism have been suggested.
What to do
Advise an additional barrier contraceptive method during mycophenolate therapy, as required by its pregnancy prevention programme.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Mestranol and Mycophenolate mofetil, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
Other interactions of Mycophenolate mofetil
- Adenovirus types 4 and 7 live + Mycophenolate mofetil Contraindicated
- Bcg vaccine live + Mycophenolate mofetil Contraindicated
- Influenza virus vaccine quadrivalent intranasal + Mycophenolate mofetil Contraindicated
- Measles mumps and rubella vaccine live + Mycophenolate mofetil Contraindicated
- Measles mumps rubella and varicella vaccine live + Mycophenolate mofetil Contraindicated
- Measles vaccine + Mycophenolate mofetil Contraindicated
Frequently asked questions
Can I take Mestranol with Mycophenolate mofetil?
MediHelp rates the interaction as moderate. Mestranol and Mycophenolate mofetil can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Mycophenolate labeling notes that it may lower exposure to hormonal contraceptives, and mestranol is an ethinylestradiol prodrug used in contraception. Reduced contraceptive reliability matters because mycophenolate is teratogenic.
How serious is the interaction between Mestranol and Mycophenolate mofetil?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise an additional barrier contraceptive method during mycophenolate therapy, as required by its pregnancy prevention programme.
What other medicines interact with Mycophenolate mofetil?
MediHelp also lists interactions of Mycophenolate mofetil with, for example, Adenovirus types 4 and 7 live, Bcg vaccine live, Influenza virus vaccine quadrivalent intranasal. The full list is on the Mycophenolate mofetil page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
