Updates

What's New in Antibiotic


Revised or new topics

Topics that have been completely revised or newly developed for the March 2025 release:
Osteomyelitis
  • Principles of managing osteomyelitis
  • Long-bone osteomyelitis in adults
  • Mandibular osteomyelitis in adults and children
  • Osteomyelitis complicating sacral pressure ulcers in adults (new topic)
  • Sternal osteomyelitis complicating median sternotomy in adults (new topic)
  • Vertebral osteomyelitis in adults
  • Osteomyelitis in children
Septic arthritis of a native joint
  • Principles of managing native joint septic arthritis
  • Empirical therapy for native joint septic arthritis
  • Postprocedural infections of the shoulder
Bone and joint infections other than osteomyelitis and native joint septic arthritis
  • Septic bursitis
  • Bone and joint infections of the hand (new topic)
  • Iliopsoas abscess (new topic)
  • Spinal epidural abscess
Sepsis or septic shock associated with a bone or joint source

Directed therapy for native bone or joint infection
  • Methicillin-susceptible Staphylococcus aureus (MSSA) native bone or joint infection
  • Methicillin-resistant Staphylococcus aureus (MRSA) native bone or joint infection
  • Kingella kingae native bone or joint infection
  • Native bone or joint infection caused by other pathogens
Infective endocarditis
  • Principles of managing infective endocarditis
  • Empirical therapy for infective endocarditis
  • Staphylococcal endocarditis
  • Streptococcal endocarditis
  • Enterococcal endocarditis
  • Endocarditis caused by the HACEK group
  • Endocarditis caused by Abiotrophia and Granulicatella species
  • Endocarditis caused by other organisms
  • Culture-negative endocarditis
Cardiovascular system infections other than endocarditis
  • Cardiac implantable electronic device infections
  • Infected aneurysms
  • Infections associated with intravenous catheters
  • Vascular graft and stent infections
  • Septic jugular thrombophlebitis (new topic)
Central nervous system infections
  • Clinical presentation and initial management of meningitis
  • Meningitis in adults and children 2 months or older
  • Meningitis in neonates and children younger than 2 months
  • Directed therapy for meningitis
  • Brain abscess and subdural empyema
  • Encephalitis
Coronavirus disease 2019 (COVID-19)

Cryptococcosis

Infectious diarrhoea
  • Assessment of infectious diarrhoea
  • Management of infectious diarrhoea
  • Travellers’ diarrhoea
  • Outbreaks of diarrhoea in residential aged-care facilities
  • Blastocystis species carriage
  • Campylobacter enteritis
  • Clostridioides difficile infection
  • Cryptosporidium species infection (cryptosporidiosis)
  • Cyclospora cayetanensis infection (cyclosporiasis)
  • Cystoisospora belli infection (cystoisosporiasis)
  • Dientamoeba fragilis carriage
  • Entamoeba histolytica infection (amoebiasis)
  • Enterohaemorrhagic Escherichia coli enteritis
  • Giardia duodenalis infection (giardiasis)
  • Microsporidial infection
  • Salmonella enteritis
  • Shigella enteritis (shigellosis)
  • Vibrio cholerae infection (cholera)
  • Noncholera Vibrio species causing enteritis
  • Yersinia enterocolitis
  • Antibiotic-associated diarrhoea
Ear, nose and throat infections
  • Cervical lymphadenitis
  • Acute epiglottitis
  • Epstein–Barr virus infection
  • Acute laryngitis
  • Acute mastoiditis in children
  • Otitis externa
  • Otitis media
  • Peritonsillar abscess and cellulitis
  • Pertussis
  • Retropharyngeal abscess
  • Acute rhinosinusitis
  • Oral and oropharyngeal infection caused by Candida and related species
  • Angular cheilitis
Eye infections
  • Blepharitis
  • Chalazion (meibomian cyst) and hordeolum (stye)
  • Conjunctivitis
  • Corneal abrasion and foreign bodies
  • Dacryocystitis
  • Endophthalmitis
  • Epiphora
  • Infectious keratitis
  • Periorbital (preseptal) and orbital (postseptal) cellulitis
Genital and sexually transmitted infections
  • Principles of sexually transmissible infection (STI) management
  • Postexposure prophylaxis against STIs (new topic)
  • Adult sexual assault
  • Approach to Chlamydia trachomatis infection
  • Approach to Mycoplasma genitalium infection
  • Approach to Neisseria gonorrhoeae infection
  • Approach to trichomoniasis
  • Cervicitis
  • Epididymo-orchitis
  • Genital itch
  • Genital ulcer disease
  • Genital herpes
  • Genital warts (human papillomavirus infection)
  • Pelvic actinomycosis
  • Pelvic inflammatory disease
  • Postprocedural pelvic infection
  • Infective proctitis
  • Syphilis
  • Urethritis
  • Prepubertal vulvovaginitis
  • Vulvovaginitis caused by Candida and related species in adults
  • Bacterial vaginosis in adults
Human immunodeficiency virus
  • Principles of managing HIV infection
  • Initial antiretroviral therapy for HIV infection in adults
  • HIV infection in pregnancy
  • Neonatal antiretroviral postexposure prophylaxis against HIV
  • Pre-exposure prophylaxis (PrEP) against HIV
Intra-abdominal infections
  • Approach to managing intra-abdominal infections
  • Acute appendicitis
  • Acute cholangitis
  • Acute cholecystitis
  • Acute infected pancreatitis
  • Diverticulitis
  • Peritonitis due to perforated viscus
  • Sepsis and septic shock from a biliary or gastrointestinal tract source
  • Spontaneous bacterial peritonitis
  • Peritonitis complicating peritoneal dialysis
  • Liver abscess
  • Necrotising enterocolitis in neonates (new topic)
Mediastinitis

Mpox (monkeypox)

Parasitic infections
  • Gastrointestinal protozoal parasites
Prevention of infection
  • Clearance antibiotics for invasive meningococcal or Hib disease
  • Prevention of infection in patients with asplenia or hyposplenism
  • Postexposure prophylaxis against bloodborne viruses
  • Prevention of infection in patients with cirrhosis and upper gastrointestinal bleeding
  • Prevention of invasive group A streptococcal infection
  • Selective decontamination of the digestive tract in patients on invasive mechanical ventilation (new topic)
Pneumonia
  • Finding the right pneumonia topic in these guidelines
  • Community-acquired pneumonia (CAP) in adults
  • Community-acquired pneumonia (CAP) in children 2 months or older
  • Community-acquired pneumonia (CAP) in term neonates and children younger than 2 months
  • Community-acquired pneumonia (CAP) in residents of an aged-care facility
  • Hospital-acquired pneumonia
  • Ventilator-associated pneumonia
  • Aspiration pneumonia
Directed therapy for pneumonia
  • Directed therapy for pneumoniae
  • Acinetobacter baumannii pneumonia in adults
  • Enterobacterales pneumonia
  • Haemophilus influenzae pneumonia
  • Legionella pneumonia in adults
  • Mycoplasma pneumoniae pneumonia or Chlamydophila (Chlamydia) species pneumonia
  • Pseudomonas aeruginosa Pneumonia
  • Staphylococcus aureus (staphylococcal) pneumonia
  • Stenotrophomonas maltophilia pneumonia
  • Streptococcus pneumoniae (pneumococcal) pneumonia
  • Overview of fungal pneumonia
  • Aspergillosis
  • Pneumocystis jirovecii pneumonia (PJP)
Respiratory tract infections other than pneumonia
  • Antibiotic management of bronchiectasis in adults
  • Antibiotic management of bronchiectasis in children (new topic)
  • Acute bronchitis
  • Protracted bacterial bronchitis in children
  • Antibiotic management of chronic obstructive pulmonary disease (COPD) exacerbations
  • Influenza
  • Lung abscess
  • Parapneumonic effusion and thoracic empyema
Salivary gland infections

Sepsis and septic shock: Identification and initial management
  • Principles of managing sepsis and septic shock
  • Identifying sepsis or septic shock
Sepsis and septic shock: Empirical regimens
  • Choice of empirical antibiotic regimen for sepsis or septic shock
  • Community-acquired sepsis or septic shock of unknown source in adults
  • Hospital-acquired sepsis or septic shock of unknown source in adults
  • Community-acquired sepsis or septic shock of unknown source in children 2 months or older
  • Hospital-acquired sepsis or septic shock of unknown source in children 2 months or older
  • Sepsis or septic shock of unknown source in neonates and children younger than 2 months
Directed therapy for bloodstream infections, including sepsis and septic shock
  • Modifying empirical therapy for bloodstream infections when the pathogen is identified
  • Candidaemia (including Candida and related species sepsis)
  • Enterobacterales (including E. coli and K. pneumoniae) bloodstream infections, including sepsis and septic shock
  • Pseudomonas aeruginosa bloodstream infections, including sepsis and septic shock
  • Staphylococcus aureus bacteraemia, including sepsis and septic shock
  • Streptococcus agalactiae (group B streptococcus) bloodstream infections, including sepsis and septic shock (new topic)
  • Streptococcus pneumoniae (pneumococcal) bloodstream infections, including sepsis and septic shock
  • Streptococcus pyogenes (group A streptococcus) bloodstream infections, including sepsis, septic shock and toxic shock syndrome
  • Typhoid and paratyphoid fevers (Salmonella Typhi and Paratyphi A, B and C infection)
Skin and soft tissue infections
  • Boils and carbuncles
  • Cellulitis and erysipelas
  • Chickenpox (varicella)
  • Infections of chronic ulcers and wounds
  • Infections of diabetes-related foot ulcers
  • Impetigo
  • Necrotising skin and soft tissue infections
  • Recurrent staphylococcal skin infection
  • Shingles (herpes zoster)
  • Staphylococcal scalded skin syndrome
Urinary tract infections in adults
  • Antibiotic choice for urinary tract infection (UTI) in adults
  • Acute cystitis in adults
  • Acute pyelonephritis in adults
  • Sepsis and septic shock from a urinary tract source in adults
  • Treatment and prevention of recurrent UTI in nonpregnant adults
  • Urinary tract infection and bacteriuria in pregnancy
  • Urinary tract infection in residents of an aged-care facility
  • Asymptomatic bacteriuria in nonpregnant adults
  • Catheter-associated bacteriuria and UTI in adults
  • Bacteriuria and UTI in adults with urinary stents
  • Candiduria and UTI caused by Candida and related species in adults
  • Acute bacterial prostatitis
  • Chronic bacterial prostatitis
Urinary tract infections in children
  • Overview of urinary tract infection (UTI) in children
  • Urinary tract infection in neonates and children younger than 3 months (new topic)
  • Acute cystitis in children
  • Acute pyelonephritis in children
  • Sepsis and septic shock from a urinary tract source in children
  • Prevention of UTI in children
  • Catheter-associated bacteriuria and UTI in children
  • Candiduria and UTI caused by Candida and related species in children
Identifying resistant pathogens or Candida species
  • Methicillin-resistant Staphylococcus aureus (MRSA)
  • Managing suspected infection with a multidrug-resistant gram-negative bacterium (new topic)
  • Empirical treatment for invasive Candida infection (new topic)
Principles of obtaining blood for culture (new topic)

Principles of antimicrobial use
  • Principles of appropriate antimicrobial prescribing
  • Antimicrobial resistance
  • Interpreting microbiological testing results (new topic)
Antimicrobial stewardship (AMS)

Practical information on using antimicrobial drugs
  • Practical information on using antibacterial drugs
  • Practical information on using antifungal drugs
  • Practical information on using anthelmintic drugs
  • Practical information on using antimycobacterial drugs
  • Practical information on using antiprotozoal drugs
  • Practical information on using antiviral drugs
  • Practical information on using beta lactams
Principles of aminoglycoside use
  • Principles of aminoglycoside use
  • Aminoglycoside dosing and administration
  • Monitoring aminoglycoside plasma concentrations
  • Clinical monitoring for aminoglycoside toxicity
  • Aminoglycoside use in special patient groups
Vancomycin use in adults
  • Principles of vancomycin use in adults
  • Vancomycin administration advice
  • Approach to vancomycin dosing and monitoring in adults
  • Vancomycin dosing in adults
  • Vancomycin monitoring and dosage adjustment in adults
  • Vancomycin dosing, monitoring and dosage adjustment in adults undergoing dialysis (new topic)
Vancomycin use in young infants and children
  • Principles of vancomycin use in young infants and children (new topic)
  • Intermittent vancomycin dosing in young infants and children (new topic)
  • Vancomycin continuous infusion dosing in young infants and children (new topic)
  • Vancomycin monitoring and dosage adjustment in young infants and children (new topic)
Monitoring antimicrobial blood concentrations

Ambulatory antimicrobial therapy

Antimicrobial hypersensitivity
  • Overview and definition of antimicrobial hypersensitivity
  • Principles of assessing patients reporting antimicrobial hypersensitivity
  • Principles of antimicrobial desensitisation
  • Penicillin hypersensitivity
  • Trimethoprim+sulfamethoxazole hypersensitivity in adults
Kidney impairment and antimicrobial dosing
  • Principles of antimicrobial dosing in kidney impairment
  • Antimicrobial dosage modification in kidney impairment