1. Harm of grapefruit: It can interact with many drugs to varying degrees, and the action time can last 72 hours. Common clinical situations, such as taking grapefruit with some antihypertensive drugs, are more likely to cause hypotension; aggravate the drowsiness effect of sleeping pills; hinder the absorption of contraceptive pills, etc.

2. Grapefruit can also affect the detoxification of drugs in the liver, interfere with the normal metabolism of drugs, and also enhance the toxic and side effects of drugs. For example, medical literature has repeatedly reported that patients with allergic rhinitis drank grapefruit juice together with anti-allergic drugs. The juice inhibited the metabolism of the drug, causing its concentration to suddenly increase, causing arrhythmias and leading to poisoning and death.

3. In addition, grapefruit is also incompatible with crabs, and eating them together will cause physical discomfort. Patients with cold constitution, prone to abdominal pain, anemia or excessive phlegm should not eat more grapefruit. Therefore, grapefruit has problems affecting the efficacy of medicine. It is recommended that patients taking medicine should eat grapefruit with caution. Grapefruit can be consumed by the general population, especially those with high blood pressure and cardiovascular disease.