Infectious Disease Flashcards
Treatment Campyloabcter/undercooked meat
Clarithromycin 250mg – 500 mg BD PO for 5–7 days
Treatment giardia
Metronidazole 400mg TDS PO for 5days
C diff treatment
10 days Vancomycin 125mg QDS PO
When should you give a tetanus vaccine?
5x as part of vaccination schedule
If wound is tetanus prone:
Puncture injuries involving soil (gardening)
Wounds containing foreign bodies
Compound or open fractures
Wounds or burns with systemic sepsis
Heavy contamination with soil, manure.
wounds or burns that show extensive devitalised tissue.
wounds or burns that require surgical intervention that is delayed >6 hours
Management of cellulitis
Flucloxacillin 500mg -1g QDS PO
OR
Clarithromycin 500mg BD PO
Co-amox if face
Review after 48hrs, if improving, continue for 7-14 days
If joint involved-> T+O
If oribital-> ophthalm
If head + neck-> ENT
If sepsis-> admit medicine
When does a bite need antibiotic prophylaxis?
Human- only if broken skin + drawn blood (or if person/location high risk) Doxycycline 200mg stat then 100mg BD + metronidazole 400mg TDS 3 days
Dog- only if broken skin + drawn blood, co-amox 625 TDS 3 days
Cat- if deep or if broken skin + drawn blood, co-amox 625 TDS 3 days
If human bite, also assess risk HIV/HepB/HepC
Bat bite- admit
Treatment of infected bite
5-7 days
Human- Doxycycline 200mg stat then 100mg BD + metronidazole 400mg TDS
Dog/Cat- co-amox 625 TDS
Fever in returned traveller differentials if returned<2 weeks ago
COVID-19, influenza, malaria, typhoid, yellow fever, leptospirosis, zika, Ebola, typhus, rickettsia
Fever in returned traveller differentials if returned 2-6 weeks ago
Malaria, HepA-E, schistosomiasis, amoebic liver abscess, HIV, Brucellosis
Fever in returned traveller differentials if returned >6 weeks ago
Malaria (vivax)
HepA-E, HIV
Schistosomiasis
TB
Rabies
Who is at higher risk of Hep B?
Asia, africa, middle east, S+ E Europe, Central + South America, Carribbean
Sex workers, inmates, healthcare workers, needlestick injuries, MSM, IVDU, blood products pre 1990, dialysis
Features of acute hepatitis
Fever
Abdominal pain, anorexia, nausea, vomiting
Icteric features, jaundice, dark urine, pale faeces
Enlarged tender liver or spleen
Urticaria, and joint pains (hep A +B)
Referral criteria Hep B
Admit if: acute hepatitis/liver failure/liver decompensation
Urgent hepatology if:
↑bilirubin, ↑PT
symptoms>3m
Routine hepatology if: anti‑HBc positive (+ notify public health)
How is Hep C treated?
Direct acting antivirals up to 95% of patients are cured and have a sustained viral response.
Who is at risk of Hep C?
SE Asia, middle east, africa
Healthcare workers
Sex workers
IVDU
Tattoo/piercings
Blood products pre 1992