STD Home > More Medicines That Interfere With Cyclafem

Combining dexamethasone with Cyclafem may increase your risk of pregnancy. Check with your healthcare provider before taking these medications together, as you may need to use a backup method of birth control.
Modafinil or Armodafinil
Modafinil or armodafinil can make Cyclafem less effective, possibly increasing your risk of pregnancy. Talk with your healthcare provider in this situation, as you may need to use a backup method of contraception.
Numerous Seizure Medications
Some seizure medications can cause your body to metabolize the hormones in Cyclafem too quickly, potentially increasing your risk of pregnancy. Ask your healthcare provider if you should use a different method of contraception while taking a seizure medication.
Protease Inhibitors
Using Cyclafem with a protease inhibitor may increase your risk of pregnancy and can make the protease inhibitor less effective. Talk with your healthcare provider before combining these medications.
The hormones in Cyclafem may increase the level of selegiline in your blood, possibly increasing your risk of side effects. Your healthcare provider may need to lower your selegiline dosage or may recommend an alternate form of contraception.
St. John's Wort
St. John's wort, a commonly used herbal supplement, can decrease the effectiveness of Cyclafem, perhaps increasing the chance of pregnancy. In general, you should not take St. John's wort while using Cyclafem.

Final Thoughts

It is possible that not every interaction was discussed in this article. Therefore, you should talk with your pharmacist or healthcare provider about the Cyclafem drug interactions that may apply to you.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
List of references (click here):
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