Menopause Home > Estring Drug Interactions

It is important that your healthcare provider be aware of any other medications you are taking before starting treatment with Estring. Drug interactions may occur if Estring is combined with certain medications, such as barbiturates, some antibiotics, and cyclosporine. Some of these drug interactions with Estring could cause your body to metabolize the medications differently than intended, possibly increasing your risk of side effects or other problems.

An Overview of Estring Drug Interactions

Estring® (estradiol vaginal ring) can potentially interact with several medicines. Although no drug-interaction studies have been done with Estring, it is assumed that any of the usual estrogen medication interactions may also occur with Estring. Some of the medicines that may lead to Estring drug interactions include:
 
  • Barbiturates, such as:
 
    • Butalbital (Fioricet®, Fiorinal®)
    • Pentobarbital (Nembutal®)
    • Phenobarbital (Luminal®)
 
  • Certain antifungals or antibiotics, such as:
 
    • Clarithromycin (Biaxin®)
    • Erythromycin (Ery-Tab®)
    • Isoniazid (Nydrazid®)
    • Itraconazole (Sporanox®)
    • Ketoconazole (Nizoral®)
    • Miconazole
    • Telithromycin (Ketek®)
 
 
 
  • Rifamycin antibiotics, including rifabutin (Mycobutin®), rifampin (Rifadin®), and rifapentine (Priftin®)
  • Some seizure medications, such as:
 
 
 
 
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
List of references (click here):
Other Articles in This eMedTV Presentation
Advertisement


Topics & Medications

Quicklinks

Related Channels

eMedTV Links
Copyright © 2006-2019 Clinaero, Inc.

eMedTV serves only as an informational resource. This site does not dispense medical advice or advice of any kind. Site users seeking medical advice about their specific situation should consult with their own physician. Click Terms of Use for more information.

This site complies with the HONcode standard for trustworthy health information:
verify here.