Ovcon Drug Interactions

There are several medications that can cause drug interactions with Ovcon. Because these interactions could be severe enough to cause unintentional pregnancy, it's important to talk to your healthcare provider before taking any medications with Ovcon. Drug interactions may occur if this form of contraceptive is combined with antibiotics, certain seizure medications, or St. John's wort, to name a few.

An Introduction to Ovcon Drug Interactions

Ovcon® (norethindrone/ethinyl estradiol) can potentially interact with several other medicines. Sometimes, these interactions can be severe enough to lead to unintentional pregnancy. In such situations, a backup method of birth control (such as condoms) may be required. Some of the medicines that may lead to Ovcon interactions include:
  • Aminoglutethimide (Cytadren®)
  • Antibiotics
  • Aprepitant (Emend®)
  • Barbiturate medications, such as:


    • Amobarbital (Amytal®)
    • Butalbital (Fioricet®, Fiorinal®)
    • Pentobarbital (Nembutal®)
    • Phenobarbital (Luminal®)
    • Primidone (Mysoline®)
    • Secobarbital (Seconal®)



Last reviewed by: Kristi Monson, PharmD
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