Lecture 21 - Antibiotic Use Flashcards
Where does antibiotic use occur?
20% in hospital and 80% in primary care
What % of hospital pharmacy budget are antimicrobials?
30%
What % of antibiotic prescriptions are inappropriate?
20-50%
What is considered a healthcare associated infection?
an infection which occurs in a patient who has been in hospital >48 hours
What does antibiotic use increase?
the likelihood of HAI, especially in those over 65§
What is the current HAI threat?
E coli, which originates from UTI and can lead to bacteraemia
What is the main issue of antibiotic use?
the use of antibiotics for self liming infections caused by viruses or in some case bacteria
What are the 5R’s of antibiotic use?
right choice
right dose
right frequency
right route
right duration
Antibiotic use for lower UTI in female?
community
trimethoprim 200mg twice daily orally for 3 days
Antibiotic use in severe community acquired pneumonia in hospital?
amoxicillin 500mg 3x daily IV for 5 days
+
clarithromycin 500mg 2x daily IV/oral for 5 days
review daily
Management of URTI?
usually self limiting do don’t need antibiotics
community pharmacists give advice on symptoms relief
What are prescribing strategies?
no prescription
delayed prescription
immediate prescription
Acute otitis media duration?
(ear ache)
4 days
Acute sore throat/pharyngitis/tonsilitis duration?
1 week
Common cold duration?
1 and a half weeks
Acute sinusitis duration?
2 and a half weeks
Acute cough/bronchitis duration?
3 weeks
How will a sore throat without antibiotics resolve?
40% in 3 days and 90% after 7 days
Antibiotics use in acute cough?
reduce symptoms by only one day in an illness lasting up to 3 weeks
Antibiotics in otitis media?
66% of children are better within 24 hours and antibiotics have no effect on symptoms
Adverse reactions of antibiotics occurance?
1 in 16 patients
Side effects of antibiotics?
GI effects such as nausea, vomiting and diarrhoea
serious rashes and skin reactions as well as C difficile infection