Answer
Yes. Diarrhoea is the principal listed adverse effect and is often related to the amount taken.
Sources for this answer
- Magnesium 4mmol Chewable Tablets — Current selected SmPCemc · Summary of Product Characteristics
- Neomag — 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.