Epalrestat Tablets is a non-competitive inhibitor of aldose reductase with selective inhibition of aldose reductase. It is used for the prevention, amelioration and treatment of peripheral nerve disorders complicated by diabetes mellitus. Clinical studies have shown that Epalrestat inhibits the accumulation of sorbitol in the erythrocytes of patients with diabetic peripheral neuropathy, and improves the patients’ self-perceived symptoms and neurological dysfunction compared with the control group. The adverse reactions of this drug are diarrhea, nausea, stomach upset, rash, dizziness, etc. If you feel unwell after using the drug, please inform your doctor, who will judge whether the drug should be discontinued or take necessary measures according to the severity of the adverse reactions. Note that it is prohibited for those who are allergic to this product, and patients who have been taking this product for 12 weeks without effect should consider switching to other therapies. Please consult a medical professional before using this drug.