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Retevmo and Alcohol/Food Interactions

There are 2 alcohol/food/lifestyle interactions with Retevmo (selpercatinib).


selpercatinib food

Major Food Interaction

You should limit or avoid consumption of grapefruit and grapefruit juice during treatment with selpercatinib unless directed otherwise by your doctor. Grapefruit juice may increase the blood levels of selpercatinib. High levels of selpercatinib can increase the risk of an irregular heart rhythm that may be serious and potentially life-threatening, although it is a relatively rare side effect. You may be more susceptible if you have a heart condition called congenital long QT syndrome, other cardiac diseases, conduction abnormalities, or electrolyte disturbances (for example, magnesium or potassium loss due to severe or prolonged diarrhea or vomiting). The risk and/or severity of other side effects may also increase, including nausea, vomiting, constipation, diarrhea, rash, muscle and joint pain, swelling of arms or legs, liver problems, high blood pressure, and bleeding complications. Talk to your doctor if you experience intolerable or troublesome side effects, or you have other questions or concerns. You should seek immediate medical attention if you develop sudden dizziness, lightheadedness, fainting, shortness of breath, or heart palpitations during treatment with selpercatinib. 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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High Blood Pressure (Hypertension)

Moderate Potential Hazard, Moderate plausibility

selpercatinib - hypertension

Selpercatinib may cause hypertension and therapy should not be initiated in patients with uncontrolled hypertension. Care should be exercised when using this agent in hypertensive patients. Optimize blood pressure before starting treatment. It is recommended to monitor blood pressure after 1 week, and regularly as clinically indicated. Initiate or adjust anti-hypertensive therapy as appropriate. Withhold, reduce dose, or permanently discontinue treatment based on the severity.


  1. "Product Information. Retevmo (selpercatinib)." Lilly, Eli and Company (2020):

Retevmo drug interactions

There are 596 drug interactions with Retevmo (selpercatinib).

Retevmo disease interactions

There are 5 disease interactions with Retevmo (selpercatinib) which include:

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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.