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Drug Interactions between cefdinir and ethinyl estradiol

This report displays the potential drug interactions for the following 2 drugs:

  • cefdinir
  • ethinyl estradiol

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Interactions between your drugs


ethinyl estradiol cefdinir

Applies to: ethinyl estradiol and cefdinir

Antibiotics such as cefdinir may reduce the effects of ethinyl estradiol in some women. If you are using ethinyl estradiol for birth control, you may be at increased risk for pregnancy or breakthrough bleeding. Talk to your healthcare provider to determine if you should use an alternative or additional form of birth control during treatment with cefdinir. In addition, some birth control preparations may include "placebo" non-hormonal pills that contain iron. If you are taking these iron pills during treatment with cefdinir, you should separate the dosing times by at least two hours so that the iron does not interfere with absorption of the antibiotic. Ask your doctor or pharmacist for information on when best to take these medications. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

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Drug and food interactions


ethinyl estradiol food

Applies to: ethinyl estradiol

Consumer information for this minor interaction is not currently available. Some minor drug interactions may not be clinically relevant in all patients. Minor drug interactions do not usually cause harm or require a change in therapy. However, your healthcare provider can determine if adjustments to your medications are needed.

For clinical details see professional interaction data.

Therapeutic duplication warnings

No warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.

Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.