1st line ABx Flashcards
Meningitis
Ceftriaxone IV + Dexamethasone IV
Meningitis + >60 or immunocompromised
Ceftriaxone IV + Dexamethasone IV + Amoxicillin IV
Brain abcess
Ceftriaxone IV + Metronidazole IV
Viral encephalitis
Aciclovir IV
Epiglottitis
Ceftriaxone IV
Mild CAP
Amoxicillin IV or PO
Severe CAP
Co-amoxiclav IV + Doxycycline PO
CAP in ICU/HDU or NBM
Co-amoxiclav IV + Clarithromycin PO
Non-severe HAP
Amoxicillin PO
Severe HAP
Amoxicillin IV + Gentamicin IV
Non-severe aspiration pneumonia
Amoxicillin PO + Metronidazole PO
Severe aspiration pneumonia
Amoxicillin IV + Metronidazole IV + Gentamicin IV
Acute exacerbation of COPD - 1st line
Amoxicillin PO
Acute exacerbation of COPD - 2nd line
Doxycycline PO
Acute cough/bronchitis - 1st line in elderly
Amoxicillin PO
Acute cough/bronchitis - 2nd line in elderly
Doxycycline PO
Endocarditis - subacute native valve
Amoxicillin IV + Metronidazole IV
Endocarditis - acute native valve
Flucloxacillin IV
Endocarditis - prosthetic valve/suspected MRSA
Vancomycin IV + Gentamicin IV
Non-severe C.difficile
Vancomycin PO
Severe C.difficile
Fidaxomicin PO
Intra-abdominal infection
Amoxicillin IV + Metronidazole IV+ Gentamicin IV
Step down for intra-abdominal infection
Co-trimoxazole PO + Metronidazole PO
Mild spontaneous bacterial peritonitis
Co-trimoxazole PO
Severe spontaneous bacterial peritonitis
Piperacillin/tazobactam IV
Urosepsis/pyelonephritis
Amoxicillin IV + Gentamicin IV
Female lower UTI
Nitrofurantoin PO or Trimethoprim PO (3 days)
Male lower UTI
Nitrofurantoin PO or Trimethoprim PO (7 days)
Chlamydia
Doxycycline PO
BV
Metronidazole PO
HSV
Aciclovir PO
Trichomoniasis
Metronidazole PO
Cellulitis
Flucloxacillin IV
Diabetic foot infection
Flucloxacillin IV or Doxycycline PO
Open fracture prophlyaxis
Cefuroxime IV