Hazards of drug administration and prescribing errors Flashcards
ILO 4.12a: have knowledge of the basic principles of pharmacology
what are the hazards of drug administration?
5
mild allergy
severe allergy (anaphyaxis)
drug interactions
acute toxic reactions
death
what is an allergy and common symptoms?
6
reaction of the immune system to a substance
symptoms:
* rash/hives
* itchy skin/eyes
* runny nose / sneezing
* coughing / wheezing
* nausea / vomiting
what is anaphylaxis and how is it treated?
severe and potentially life threatening allergic reaction
urgent medical treatmetn required - adrenaline
what is drug interaction and what can it affect?
2
reaction between 2 or more drugs or food/drink
affects how the drug works or causes unwanted side effects
what is drug toxicity?
when a person has too much of a drug in their system leading to adverse effects
what factors determine toxicity of a drug?
3
chemical structure
absorption
body’s ability to metabolise and eliminate drug
what is an acute toxic reaction?
adverse effects of a substance that occur following single exposure or multiple exposures in a short period of time
which dentists can prescribe from the BNF?
private dentists
hospital dentists
what can a NHS dentist prescribe from?
DPF - dental practitioner’s formulary
what are the different types of prescription forms that different dentists can prescribe from ?
3
GP14 forms in primary care (Scotland)
HBP (hospital based prescriptions) for outpatients
private forms on headed notepaper
what do you need to include when writing a prescription?
10
full name, age and address of pt
date - valid for 6 months
name and address of prescriber (stamp)
status and signature of prescriber
name of drug
form and strength of drug
dose and dose frequency of drug
duration of treatment
total quantity
instructions - how and when
what advice to patients do you need to give?
4
finish course if antibiotics - no alcohol?
how many to take and when
known side effects
keep medications safe away from kids
what prescribing errors can occur?
3
decision to prescribe - different treatment better?
precribing wrong drug
completing form incorrectly - dosage, drug, preparation