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Drug interactions between ella and Plan B

Results for the following 2 drugs:
ella (ulipristal)
Plan B (levonorgestrel)

Interactions between your drugs


levonorgestrel ↔ ulipristal

Applies to:Plan B (levonorgestrel) and ella (ulipristal)

Ulipristal may temporarily reduce the effectiveness of hormonal contraceptives. Therefore, you should use an additional method of birth control such as condoms following treatment with ulipristal until your next menstrual period. You should discuss your contraceptive options with your healthcare provider. Do not combine ulipristal with other emergency contraception such as Plan B. 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.

Switch to professional interaction data

Drug and food interactions

No results found in our database - however, this does not necessarily mean no interactions exist. Always consult with your doctor or pharmacist.

Therapeutic duplication warnings

No therapeutic duplications were found for your selected drugs.

Drug Interaction Classification

The classifications below are a guideline only. The relevance of a particular drug interaction to a specific patient is difficult to determine using this tool alone given the large number of variables that may apply.
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 information available.

Do not stop taking any medications without consulting your healthcare provider.

Further information

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