20 mg capsule: Had heartburn for more than three months.
Heartburn with lightheadedness, sweating or dizziness.
Chest pain or shoulder pain with lightheadedness, shortness of breath, sweating, or pain spreading to the arms, neck, or shoulders.
Frequent chest pain.
Frequent wheezing related to heartburn.
40 mg capsule and Powder for injection: Gastric malignancy should be excluded at initiation of treatment and at follow-up of gastric ulcer therapy.
Atrophic gastritis has been reported occasionally in gastric corpus biopsies from patients on long-term omeprazole therapy.
The use of acid-suppressants such as omeprazole may increase a patient's risk of community-acquired pneumonia.