05 Rational Drug Use Flashcards
Irrational drug use practices examples
Poor selection (inappropriate dosage/use)
Over prescription
Non-compliance (lack of education, failure to comply, over use)
Industry-related causes (lack of access)
Primordial levels of prevention
Hospitals
Drug Regulatory Mechanisms
Drug Supply Chain Interventions
Levels of Prevention
Primordial: whole population vis public health policay
Primary: whole population, selected groups, healthy individuals
Secondary: selected individuals with high risk patients
Tertiary: patients
Drug selection process
- Define the diagnosis (prioritize problem list)
- Specify therapeutic objectives
- Consider drug groups
- Choosing a P-drug and treat (ESSC)
- Give informations, instructions, warnings (timing and expected onset, duration, adr)
- Monitor and evaluate
ESSC
Efficacy: mechanism of action, pharmacokinetic and pharmacodynamic properties
Safety: TIs, ADRs, toxicity
Suitability: contraindications, route of administration, frequency of administration
Cost: compliance
Contents of prescription
Header
Patient information (age and weight)
Superscription
Inscription (name of drug, dosage form, amt, route)
Subscription (instructions to the pharmacist, # to dispense, refills)
Transcription/signatura (instructions for the patient
Prescriber information
Common conversions
1 tsp = 5 mL
1 tbsp = 15 mL
20 drops = 1 mL
1 kg = 2.2 lbs
Common abb
OD = once a day BID = twice a day TID = thrice a day QID = four times a day AC = before meals PC = after meals Stat HS = at bedtime