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Drug interactions between grapefruit and tamoxifen

Results for the following 2 drugs:
grapefruit
tamoxifen

Interactions between your drugs

There were no interactions found in our database between grapefruit and tamoxifen. However, this does not necessarily mean no interactions exist. Always consult with your doctor or pharmacist.

grapefruit

A total of 0 drugs are known to interact with grapefruit.

    tamoxifen

    A total of 439 drugs (1677 brand and generic names) are known to interact with tamoxifen.

    Drug and food interactions

    Moderate

    tamoxifen food

    Applies to: tamoxifen

    Talk to your doctor before using tamoxifen with soy products. There is some evidence that substances present in soy may stimulate breast tumor growth and interfere with the action of tamoxifen, although this has not been proven. Whether soy products are effective for hot flashes is also uncertain. 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

    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.

    Disclaimer: Every effort has been made to ensure that the information provided by Multum is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. Multum's information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill, knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate that the drug or combination is safe, effective, or appropriate for any given patient. Multum Information Services, Inc. does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. Copyright 2000-2018 Multum Information Services, Inc. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse, or pharmacist.

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