Answer
Stop taking calcium sennosides and replace lost fluids if appropriate. Seek medical advice for severe or persistent diarrhoea, reduced urination, weakness, faintness or heart-rhythm symptoms.
Sources for this answer
- NHSNHS · NHS medicine guidance
- Senokot 7.5mg/5 ml Syrup 12 Years Plus — 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.