Answer
Seek assessment if symptoms persist or worsen, laxatives are repeatedly required, or constipation occurs with severe pain, vomiting, dehydration, weight loss or rectal bleeding.
Sources for this answer
- NHSNHS · NHS medicine guidance
- Dulcolax Twelve Plus 5 mg 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.