The main side effects of Schwesu, i.e., teprenone capsule, are gastrointestinal discomfort, abnormal liver function, psychoneurological abnormalities, and allergy. Teprenone capsule is a kind of gastric mucous membrane protector, with anti-ulcer, increase gastric mucus effect, can be used for the treatment of acute gastritis, acute exacerbation of chronic gastritis gastric mucous membrane erosion, bleeding, flushing, swelling and other conditions, but also for the treatment of gastric ulcers. The common side effects of teprenone capsules are as follows. 1. Gastrointestinal discomfort: constipation, diarrhea, nausea, thirst, abdominal pain, abdominal distension and other gastrointestinal discomforts may occur after taking teprenone capsules. 2. Abnormal liver function: some people may experience elevated alanine aminotransferase, aspartate aminotransferase, gamma-glutamyl transpeptidase, alkaline phosphatase, etc., which is a manifestation of liver function abnormality due to damage of liver cells after taking teprenone capsules. 3. Psychoneurotic abnormality: some people may have headache and other physical discomfort after taking teprenone capsule. 4. Allergy: after taking teprenone capsules, some people may develop allergic symptoms such as rash and itchy skin. Those who are allergic to teprenone capsules are forbidden to take it again. Teprenone capsules are recommended to be taken under the guidance of a doctor to avoid drug abuse.