Answer
Seek urgent advice from NHS 111 because overdose can cause dangerous dehydration and electrolyte disturbance. Take the medicine packet and remaining tablets if asked to attend hospital.
Sources for this answer
- NHSNHS · NHS medicine guidance
- Co-Amilofruse 5mg/40mg 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.