There is no such thing as the longest time for taking epprazole, the dosing time should be decided according to the actual condition, and the common course of treatment is 4 weeks. Epprazole belongs to a kind of proton pump inhibitor, can inhibit the production of gastric acid, can reduce gastric acid to help gastric mucous membrane repair and growth, is conducive to the recovery and treatment of peptic ulcer. It can be used to relieve stomach pain, heartburn, acid reflux and other symptoms caused by excessive secretion of stomach acid, and can be taken for a long time, but the time of taking the medicine should be decided according to the condition. Diarrhea, headache, elevated aminotransferases, rash, abdominal distension and chest tightness, palpitations and other symptoms may occur after taking eplazole. Symptoms such as leukopenia, abnormal renal function, abnormal electrocardiogram may also occur, so patients with severe liver and renal impairment and severe cardiac arrhythmia should use Epprazole with caution. When taking epprazole, it should be taken under the guidance of a doctor and in accordance with the condition, do not take medication without authorization, so as to avoid the occurrence of adverse reactions.