This information is generalized and not intended as specific medical advice. Consult your healthcare professional before taking or discontinuing any drug, changing your diet or commencing any course of treatment.
Very important. A change in your diet, medicine, or dosage may be necessary. Promptly consult your doctor or pharmacist.
How the interaction occurs:
Grapefruit juice decreases the ability of your gut to process toremifene.
What might happen:
The amount of toremifene in your blood may increase. This may increase your risk of an irregular heartbeat, which may be life-threatening.
What you should do about this interaction:
While you are taking this medicine, you should avoid eating grapefruit or drinking grapefruit juice. You may choose an alternative citrus beverage (such as orange juice).In the event that you are instructed by a healthcare professional (e.g., doctor, pharmacist, or dietitian) to eat grapefruit or drink grapefruit juice, you should immediately discuss with doctor the effects of grapefruit on the blood levels of this medicine. If you notice an irregular heartbeat or have dizziness or fainting episodes, contact your doctor right away. Your doctor may want to perform an electrocardiogram (ECG) on you to see if the medicines are affecting your heart's rhythm.Your healthcare professionals may be aware of this interaction and may be monitoring you for it. Do not start, stop, or change your medicine or diet before checking with them first.
1.Fareston (toremifene citrate) US prescribing information. GTx, Inc. March, 2011.
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