Infections Flashcards
Human and animal bites
Co-amoxiclav
pen allergy - doxycycline AND metronidazole
Human and Animal bites
prophylaxis duration
3 days
- bitten no signs of infection
Human and Animal bites
treatment duration
5 days
bitten and signs of infection
Human and Animal scratches
Flucloxacillin
Tick bites (Lyme disease)
- Doxycycline 100mg BD
- Amoxicillin 1000mg TDS
Tick bites (Lyme disease)- duration of treatment
21 days
Mild diabetic foot infection
mild= less than 2 cm
- flucloxacillin
- pen allergic= clarithro/erithro/doxy
Mod-severe diabetic foot infection
Flucloxacillin or co-amoxiclav +/- gentamicin
Penicillin allergy: co-trimoxazole +/- gentamicin
Cellulitis
flucloxacillin
Penicillin allergy or if flucloxacillin unsuitable
- Clarithromycin or erythromycin (eryth in pregnancy)
- Doxycycline
- Co-amoxiclav
Cellulitis- near eyes or nose
Co-amoxiclav
Penicillin allergy: clarithromycin AND metronidazole
CAP- low severity
amoxicillin
doxy/clarithro/erythro (pregnant)
CAP- moderate severity
First line: amoxicillin AND clarithromycin (erythromycin in pregnancy)
Doxycycline or clarithromycin
CAP- high severity
First line: co-amoxiclav AND clarithromycin (erythromycin in pregnancy)
Second line: levofloxacin
C.diff
vancomycin
fidaxomicin
C.diff life threatening
Vancomycin and IV metronidazole
Travellers diarrhoea
Standby: azithromycin
prophylaxis/treatment: Bismuth Subsalicylate
Otitis media
amoxicillin
worsening despite 2-3 days treatment= co-amoxiclav
pen allergy= clarithro/erythro (pregnancy)
Otitis externa
topical acetic acid
Second line: topical neomycin sulphate with corticosteroid
If systemic treatment needed: flucloxacillin
H.pylori
diagnostic tests
The urea (13C) breath test, Stool Helicobacter Antigen Test (SAT), or laboratory-based serology
What can adversely effect the results of a h.pylori diagnostic test? and which tests are effected?
The urea (13C) breath test, Stool Helicobacter Antigen Test (SAT)
PPI- 2 weeks before test
ABX- 4 weeks before
H.pylori- triple therapy
PPI+ 2 abx
Amoxicillin/Metronidazole/Clarithromycin
any PPI
H.pylori- triple therapy
doses of abx
amox- 1g BD
met- 400mg BD
Clarithro - 500mg BD
H.pylori- triple therapy
duration of treatment
7 days
HAP- non-severe
First line: co-amoxiclav
Second line (adults): doxycycline, or cefalexin, or co-trimoxazole, or levofloxacin
Second line (children): clarithromycin
-no doxy under 12
Impetigo - localised non bollous
First line: hydrogen peroxide 1%
Second line: fusidic acid (mupirocin 2% and resistance suspected)
Impetigo - widespread non bollous
First line: fusidic acid (mupirocin 2% if fusidic acid is suspected to be resistant)