Analysis of illness: Hello, usage and dosage of omeprazole enteric-coated capsules: oral. Adults once 1 capsule, daily 1 capsule (once every 24 hours), and 1 capsule can be added if necessary, and taken with warm water. Drugs must be swallowed whole, not allowed to be chewed or crushed, and not allowed to be crushed in food. Suggestion: It is recommended to take it under the guidance of a doctor, and do not arbitrarily increase the dose. The common adverse reactions of this medicine are headache, diarrhea, nausea, vomiting, constipation, abdominal pain and abdominal distension. Occasionally dizziness, lethargy, fatigue, sleep disorder, paresthesia, rash, itching, urticaria, abnormal liver function test, etc. I hope it helps you!