High creatinine is not recommended to eat grapes, because high creatinine means that the kidney function has problems, the kidney is the excretory organ, and the kidney function will cause problems in excreting potassium ions, causing the blood potassium to rise. Grapes are a very common fruit in life, it contains minerals, calcium, potassium, phosphorus, iron and many vitamins, such as vitamin B1, vitamin B2, vitamin B6, vitamin C, etc.. In addition, the main component of grapes is mainly glucose. Patients with high creatinine, that is, patients with renal failure have high blood potassium, and consuming grapes can cause serious problems by further elevating blood potassium, which can lead to cardiac arrest in serious cases. Many patients with kidney failure are diabetic, so eating grapes can also lead to a further increase in blood sugar, so it is not recommended to eat grapes.