NuvaRing Drug Interactions

When certain medications, such as barbiturates, protease inhibitors, or modafinil, are taken while using NuvaRing, negative reactions may occur. These can reduce the effectiveness of NuvaRing and increase your risk of pregnancy, but you may also develop certain side effects. Other medicines that may lead to drug interactions with NuvaRing include cyclosporine, rifamycin antibiotics, aprepitant, and certain seizure medications.

An Introduction to Interactions With NuvaRing

 NuvaRing® (etonogestrel/ethinyl estradiol vaginal ring) can potentially interact with several other medicines. Some of drugs that may lead to NuvaRing interactions include:
 
  • Aminoglutethimide (Cytadren®)
  • Aprepitant (Emend®)
  • Barbiturates, such as:
 
    • Amobarbital (Amytal®)
    • Butalbital (Fioricet®, Fiorinal®)
    • Pentobarbital (Nembutal®)
    • Phenobarbital (Luminal®)
    • Secobarbital (Seconal®)
 
  • Certain seizure medications, such as:
 
 
 
 
NuvaRing Drug Interactions Article Continues on Next Page >
Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD
 
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