Level 1
Sedatives
Benzodiazepines – midazolam, diazepam
Dexmedetomidine
Ketamine
Propofol
Local anaesthetics (amides)
Lignocaine
Bupivacaine
Ropivacaine
Analgesics
Ketamine
Opioids – oxycodone, fentanyl, morphine
Paracetamol
Antimuscarinics
Atropine
Level 2
Sedatives
Barbiturates - thiopentone
Analgesics
Opioids - buprenorphine, hydromorphone, methadone, remifentanil, tapentadol, tramadol
Gabapentinoids - gabapentin, pregabalin
Anticonvulsants
Phenytoin
Antimuscarinics
Glycopyrrolate
Cholinesterase inhibitors
Neostigmine
Other
Nimodipine
Level 3
Analgesics
Non-steroidal anti-inflammatory drugs as a class
Antidepressants
Monoamine oxidase inhibitors
Selective serotonin reuptake inhibitors
Serotonin-noradrenaline reuptake inhibitors
Tricyclic anti-depressants
Antipsychotics
First generation antipsychotics – haloperidol, droperidol
Second generation antipsychotics – olanzapine, quetiapine
Anticonvulsants
Lamotrigine
Lacosamide
Levetiracetam
Phenobarbitone
Sodium valproate
Cholinesterase inhibitors
Organophosphates