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More Medicines That React With Amethyst

Cyclosporine (Gengraf, Neoral, Sandimmune)
Amethyst may increase the level of cyclosporine in your blood, increasing the chance of side effects. Talk with your healthcare provider before taking these medications together. You may need a lower cyclosporine dosage, or you may need to switch to a different method of contraception.
 
Modafinil (Provigil)
Modafinil can make Amethyst 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 Amethyst 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 combining these drugs.
 
Selegiline (Eldepryl, Emsam, Zelapar)
The hormones in Amethyst 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 Amethyst, increasing the chance of pregnancy. In general, you should not take St. John's wort while using Amethyst.
 
Theophylline (Uniphyl, Theocron, TheoCap, Theo-24, Elixophyllin)
Amethyst may increase the level of theophylline in your blood, increasing the chance of side effects. Talk with your healthcare provider before taking these medications together. You may need a lower theophylline dosage, or you may need to switch to a different method of contraception.
 

Final Thoughts

It is possible that not every drug interaction with Amethyst was 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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