Paratyphoid Fever

Paratyphoid fever is a type of enteric fever, similar to typhoid fever, caused by the bacterium Salmonella Paratyphi A, B, or C.

Cause and Transmission

The bacteria that cause paratyphoid fever are usually spread through contaminated food or water, or through close contact with an infected person. The bacteria can be found in the feces of infected individuals and can contaminate food and water if proper hygiene practices are not followed.

Symptoms

The symptoms of paratyphoid fever are similar to those of typhoid fever and may include:

Diagnosis

Paratyphoid fever is typically diagnosed through a combination of physical examination, medical history, and laboratory tests, including:

  • Blood cultures to detect the presence of Salmonella Paratyphi bacteria
  • Stool tests to detect the presence of Salmonella Paratyphi bacteria in the feces
  • Widal test, which measures the level of antibodies against Salmonella Paratyphi in the blood

Treatment

The treatment for paratyphoid fever typically involves antibiotics, such as:

  • Ciprofloxacin
  • Azithromycin
  • Ceftriaxone

Supportive care, such as rest, hydration, and nutrition, is also important to help manage symptoms and support recovery.

Complications

If left untreated or if treatment is delayed, paratyphoid fever can lead to complications, including:

Prevention

To prevent paratyphoid fever, it is essential to practice good hygiene, including:

  • Washing hands frequently with soap and water
  • Avoiding close contact with individuals who have the infection
  • Avoiding contaminated food and water
  • Cooking food thoroughly
  • Storing food and water properly

Epidemiology

Paratyphoid fever is found worldwide, but it is more common in areas with poor sanitation and hygiene. The incidence of paratyphoid fever has decreased in recent years due to improvements in sanitation, hygiene, and vaccination.

Vaccination

There are vaccines available to protect against Salmonella Paratyphi A and B, but they are not widely used. The vaccines are typically recommended for individuals who are traveling to areas where paratyphoid fever is common or for those who work with Salmonella bacteria in a laboratory setting.

Frequently Asked Questions (FAQs)

What is paratyphoid fever?
A bacterial infection caused by Salmonella Paratyphi.

How is paratyphoid fever transmitted?
Through contaminated food and water or person-to-person contact.

What are the symptoms of paratyphoid fever?
Fever, headache, abdominal pain, and diarrhea.

How long does it take for symptoms to appear?
6-30 days after infection.

Can paratyphoid fever be treated?
Yes, with antibiotics.

What are the complications of paratyphoid fever?
Intestinal perforation, bleeding, and sepsis.

How can paratyphoid fever be prevented?
Through good hygiene, safe food handling, and clean water.

Is paratyphoid fever contagious?
Yes, it can spread from person to person.

Can paratyphoid fever be fatal?
Yes, if left untreated or in severe cases.

Are vaccines available for paratyphoid fever?
Yes, but not widely used.

Article last updated on: 25th June 2025.
If you have any feedback, please get in touch.

See more

 Conditions  Symptoms  Procedures

Diagnosis Pad
Medical AI Assistant with Differentials, Guidance, Transcriptions, Notes, Medical Encyclopedia and Explainable AI.


Available for iOS, macOS and Android.

Medical Disclaimer

The information provided is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of a physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay seeking it because of something you have read on this site. We we do not guarantee, and assume no legal liability or responsibility for the accuracy, currency, or completeness of the information provided.