Answer
Yes. It can irritate or ulcerate the gastrointestinal tract and may cause serious bleeding, especially with previous ulcers or interacting medicines.
Sources for this answer
- NHSNHS · NHS medicine guidance
- Alka-Seltzer Original — Current selected SmPCemc · Summary of Product Characteristics
- Nu-Seals Cardio 75 Gastro-resistant 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.