Tanglin is the trade name and the generic name is Epastat Tablets. The directed usage of Epalrestat Tablets is to be taken orally before meals. Epalrestat Tablets are mainly used for the treatment of diabetic neuropathy. Possible adverse reactions after taking the drug include: erythema, blisters, rash, itching, elevation of aspartate aminotransferase or alanine aminotransferase, nausea and vomiting, abdominal pain and diarrhea, loss of appetite, stomach upset, elevation of creatinine, dizziness and fatigue, drowsiness, swelling and pain, pain in the extremities, numbness, and hair loss. It is contraindicated for those who are allergic to any of the ingredients in Epalrestat Tablets and should be used with caution in pregnant women. After taking this medicine, the urine may appear brownish red color, which is normal. If you need to use Epalrestat Tablets, please consult a professional doctor, follow the doctor’s instructions, and use the medicine reasonably.