Loratadine is an antiallergic drug that can be taken for a long time. There is no evidence that long-term use of loratadine will lead to drug resistance. Long-term use problem: Because loratadine tablets is very irritating to the gastrointestinal tract. It may cause your digestive tract ulcer for a long time. It is suggested that you use loratadine syrup from Tianjin Tianwei Pharmaceutical Co., Ltd., with exclusive sub-package of 10 ml once a day, with accurate dosage, good curative effect, rapidity, safety, hygiene and convenience. Can obviously reduce the side effects of gastrointestinal tract. In addition, it can strengthen physical exercise and improve immunity. Thereby reducing the occurrence of allergic symptoms.