Treatment of Severe or Complicated Enteric Fever When Oral Therapy Cannot Be Tolerated
Patients with severe or complicated enteric fever who are unable to take oral treatment — due to persistent vomiting, severe diarrhoea, or intestinal and extra-intestinal complications — require parenteral management. This protocol applies specifically when the infecting organism is not susceptible to ciprofloxacin.
Clinical Scenario
Severe enteric fever encompasses patients with serious illness and those who develop intestinal complications (such as perforation or bleeding) or extra-intestinal complications. When the oral route is not feasible — and when susceptibility testing rules out ciprofloxacin — a targeted intravenous approach is required from the outset.
Treatment Approach
Management is built around intravenous cephalosporin therapy, continued for a defined course and transitioned to an appropriate oral agent once the patient has clinically improved. In patients presenting with severe neurological deterioration or shock, concurrent corticosteroid therapy is an additional consideration. Intestinal complications — including perforation and peritonitis — carry further specific interventions beyond antimicrobial treatment alone.
References
- Severe enteric fever, patients unable to tolerate oral treatment due to vomiting and/or severe diarrhoea, and/or patients with intestinal/extra-intestinal complications typically require hospitalisation and parenteral antimicrobial treatment.
- Not susceptible to ciprofloxacin, but susceptible to ceftriaxone.
- Intravenous ceftriaxone/cefotaxime or ciprofloxacin (intravenous or oral) is recommended as empiric treatment for severe and complicated enteric fever in South Africa.
- Once patients have clinically improved, treatment can be completed with appropriate oral antibiotics (e.g. oral ciprofloxacin or azithromycin, depending on the antimicrobial susceptibility profile).
- Data are limited, but concurrent treatment with high-dose dexamethasone should be considered for patients with severe enteric fever with delirium, obtundation, coma or shock.
- In patients with severe enteric fever with intestinal perforation and peritonitis, surgical intervention is recommended.
- Intestinal bleeding, perforations or ulcerations are life-threatening and may require immediate fluid resuscitation, surgical interventions and broad-spectrum antimicrobial coverage for polymicrobial peritonitis.