Drug overdose general overview (Complete) Flashcards
What is used in management of paracetemol overdose?
Medicine:
Activated charcoal: If ingested one hour ago
N-acetylcysteine (NAC)
Surgery:
Liver transplant (if irreversible liver damage)
What type of drug is aspirin?
Salicylate
What is the management for salicylate overdose?
IV bicarbonate (urinary alkalinisation)
Alkilisation helps increase pH of urine which promotes excretion of aspirin from kidneys
How is opiod overdose managed?
Give examples of opioids (4)
Morphine
Oxycodone
Hydrocodone
Methadone
What are the main signs/symptoms of opioid overdose (3)
Altered mental status (Drowsiness/sleepiness)
Bradypnoea (RR <12)
Pinpoint pupils
How is opioid overdose managed?
Ventillatory support
Medicine:
Naloxene
Name examples of benzodiazepines
Diazepam
Alprazolam
Chlordiazepoxide
What are the main features of benzodiazepine overdose? (4)
Altered mental status: Impaired memory (anteretrograde), attention, behavioural changes.
Drowsiness
Slurred speech
Ataxia
How are benzodiazepines overdose managed?
Mainly supportive care
Medicine:
Flumazenil: Only in severe cases as there is risk of seizures with this medication
Why is flumazenil only used in severe cases of benzodiazepine overdose?
Cause of risk of seizures
What are the main features of TCA overdose?
Drowsiness/confusion
Arrythmias
Seizures
Vomitting/nausea
Headache
Flushing
Dilated pupils
How is TCA overdose managed?
Mainly conservative
Medicine:
Correction of acidosis: IV bicarbonate
How is warfarin overdose managed?
Vitamin K with prothrombin complex
How is heparin overdose managed?
Protamine sulphate