Femhrt Drug Interactions

Before taking femhrt, make sure to talk to your healthcare provider about any possible femhrt drug interactions. This drug can cause your body to metabolize medications differently than intended, possibly increasing your risk of side effects or decreasing the effectiveness of the medications. Drug interactions may occur if femhrt is combined with medications such as barbiturates, certain antibiotics, and thyroid medications.

 

An Introduction to Femhrt Drug Interactions

femhrt® (norethindrone acetate/ethinyl estradiol) has the potential to interact with various medications. Although many of these interactions are not usually significant, some may be quite serious. Some of the medicines that may lead to femhrt interactions include:
 
  • Barbiturate medicines, including (but not limited to):

 

    • Butalbital (Fioricet®, Fiorinal®)
    • Pentobarbital (Nembutal®)
    • Phenobarbital (Luminal®)
    • Secobarbital (Seconal®)

 

  • Certain antibiotics or antifungals, including:

 

    • Clarithromycin (Biaxin®)
    • Erythromycin (Ery-Tab®)
    • Isoniazid (Nydrazid®)
    • Itraconazole (Sporanox®)
    • Ketoconazole (Nizoral®)
    • Miconazole
    • Telithromycin (Ketek®)

 

  • Cyclosporine (Gengraf®, Neoral®, Sandimmune®)
     
  • Grapefruit juice
     
  • Protease inhibitors, such as:

 

 

  • Rifamycin antibiotics, including rifabutin (Mycobutin®), rifampin (Rifadin®), and rifapentine (Priftin®)
     
  • Some seizure medications, such as:

 

 

  • St. John's wort (Hypericum perforatum)
     
  • Thyroid medications (for treating hypothyroidism), including:

 

 

(Femhrt Drug Interactions Continued: Page 2)
Add this article to your Favorites     Email this article     Print
Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;