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Ask the Expert Archive

Can pummelos and grapefruit have drug interactions?


Q. Does pummelo have the same effect as grapefruit with certain medications?


A. The pummelo, also known as shaddock, is a cross between a grapefruit and an orange and therefore contains same compounds as grapefruit. Both grapefruit and pummelo are fruits that block an enzyme in the liver that breaks down many medications.  Blocking this enzyme means there will be higher levels of circulating medicine in the body which can be dangerous.  Talk with your doctor, pharmacist, or health care professional to see if you can consume grapefruit, pummelo (and their juice) with your medicine.



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