Paracetamol Overdose

A 29-year old male presents to the emergency department 1h after an overdose of cocodamol. He admits to taking approximately 60 x 8/500mg tablets, with alcohol, over a 20 minute period. He has a past history of depression, treated by his GP with citalopram 20mg OD. He has no previous history of deliberate self-harm. His past medical history is otherwise unremarkable and he is not on any additional medications. He drinks approximately 40 units of alcohol per week. Physical examination is unremarkable, his pupils are normal diameter and his Glasgow Coma Scale is 15. He weighs 82kg.