Paratyphoid fever

From WikiMD's Wellness Encyclopedia

Paratyphoid Fever[edit | edit source]

Microscopic view of Salmonella spp., the causative agent of paratyphoid fever. Image courtesy of Wiki Commons.

Paratyphoid fever is an infectious disease caused by certain strains of the Salmonella bacteria. It presents clinical symptoms resembling those of typhoid fever but is generally considered less severe. Like typhoid, paratyphoid fever primarily affects the intestines and is associated with contaminated food or water sources.

Overview[edit | edit source]

Paratyphoid fever, similar to typhoid, is transmitted through the fecal-oral route. The disease is often linked to poor sanitation and the consumption of contaminated food or water. It's especially prevalent in regions where sanitary practices might be compromised.

Causative Agent[edit | edit source]

The disease is caused by strains of Salmonella enterica – specifically serotypes Paratyphi A, B, and C.

Symptoms[edit | edit source]

Patients with paratyphoid fever typically exhibit:

  • High fever
  • Abdominal pain
  • Headache
  • Rashes
  • Loss of appetite
  • Malaise
  • Diarrhea or constipation

Diagnosis[edit | edit source]

Diagnosis of paratyphoid fever includes:

  • Blood cultures: To detect the presence of Salmonella spp.
  • Stool and urine tests: For identifying the bacteria.
  • Bone marrow test: A more accurate but less common test to detect Salmonella.

Treatment[edit | edit source]

The treatment strategy for paratyphoid fever largely mirrors that of typhoid:

  • Antibiotics: Ciprofloxacin, ceftriaxone, and azithromycin are commonly prescribed.
  • Hydration: Patients might require rehydration, either orally or intravenously.
  • Rest: Ensuring the body gets enough rest to recover.

Prevention[edit | edit source]

Preventative measures include:

  • Vaccination: While there's a vaccine for typhoid, no vaccine is available for paratyphoid as of the last update.
  • Sanitation: Ensuring safe drinking water and practicing good hygiene.
  • Safe food practices: Consuming well-cooked food, avoiding raw fruits and vegetables unless they can be peeled, and avoiding street food in areas where the disease is prevalent.

Prognosis[edit | edit source]

With prompt and proper treatment, most patients recover fully. However, untreated paratyphoid can lead to complications, which can be severe.

References[edit | edit source]

Paratyphoid fever Resources
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Contributors: Prab R. Tumpati, MD