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More Medicines That Interfere With Quasense

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

Final Thoughts on Drug Interactions With Quasense

It is possible that not all drug interactions with Quasense were discussed in this article. Therefore, you should talk with your pharmacist or healthcare provider about the specific interactions that may apply to you.
 
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