Answer
Contact NHS 111 or seek urgent medical care immediately, even if you feel well. Paracetamol overdose can cause delayed, serious liver injury.
Sources for this answer
- Panadol Extra Advance/ Panadol Period Pain 500mg/65mg Tablets (GSL) — Current selected SmPCemc · Summary of Product Characteristics
- NHSNHS · NHS medicine guidance
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.