Answer
Yes. Gastrointestinal ulceration, bleeding or perforation can occur, sometimes without warning. Vomiting blood or passing black, tar-like stools requires urgent assessment.
Sources for this answer
- Keral 25 mg film-coated tablets — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.