Gastric erosion is not a contraindication to the use of finasteride tablets, so patients with gastric erosion can take finasteride tablets for alopecia areata under doctor’s supervision. Finasteride can inhibit the conversion of testosterone to androgenic dihydrotestosterone in peripheral tissues, and can treat male androgenic alopecia. It is not suitable for women, children and those who are allergic to this medicine. Celiac disease is not a contraindication to the use of finasteride. In addition, Finasteride is well tolerated, adverse reactions are usually mild and less irritating to the stomach and intestines, there may be breast pain and enlargement as well as sexual dysfunction, rashes, itching and other allergic reactions. People with celiac disease can use Finasteride tablets for hair loss after consulting a doctor, and should be aware of any stomach discomfort during the use of the drug.