Epalrestat tablets should be taken before meals. Because when the patient’s gastrointestinal tract is in a fasting state, the drug can avoid food interference with drug absorption, which will help the drug absorption as well as play a role in the efficacy of the drug. Epalrestat Tablets is a kind of aldose reductase non-competitive inhibitor, aldose reductase has a selective inhibition of the role of aldose reductase, is mainly used for the prevention, improvement and treatment of diabetes mellitus complications of peripheral nerve disorders, vibration sensory abnormalities, and cardiac arrhythmia. It should be noted that patients who are allergic to this product are prohibited from using it, and patients may experience adverse reactions such as diarrhea, nausea and loss of appetite after taking it. It is recommended that patients should be used under the guidance of a doctor, do not use without authorization to avoid delay. If the condition does not improve after 12 weeks of use, you should go to the hospital in time, consult your doctor and change to other treatments, please follow the doctor’s instructions.