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Desogen Drug Interactions

Many Seizure Medications
Some seizure medications may cause your body to metabolize the hormones in Desogen too quickly, increasing your risk of pregnancy. Ask your healthcare provider if you should use a different method of contraception while taking a seizure medication.
Modafinil (Provigil)
Modafinil can make Desogen less effective, increasing your risk of pregnancy. Talk with your healthcare provider, as you may need to use a backup method of contraception.
Protease Inhibitors
Using Desogen together with a protease inhibitor may increase your risk of pregnancy and can make the protease inhibitor less effective. Talk with your healthcare provider before using Desogen with a protease inhibitor.
Selegiline (Eldepryl, Emsam, Zelapar)
The hormones in Desogen may increase the level of selegiline in your blood, 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) may decrease the effectiveness of Desogen, increasing the chance of pregnancy. In general, you should not take St. John's wort while using Desogen.
Theophylline (Uniphyl, Theocron, TheoCap, Theo-24, Elixophyllin)
Desogen may increase the level of theophylline in your blood, increasing the chance of theophylline side effects. Talk with your healthcare provider before taking these medications together. You may need a lower dose of theophylline, or you may need to switch to a different method of contraception.

Final Thoughts on Desogen Drug Interactions

It is possible that not every drug interaction with Desogen was discussed in this article. Therefore, you should talk with your pharmacist or healthcare provider about the Desogen drug interactions that may apply to you.
Last reviewed by: Kristi Monson, PharmD
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