Infectious diseases

Paratyphoid fever

Paratyphoid fever is a group of acute infectious diseases, like typhoid fever occurring. Experts identify paratyphoid A, B and C. The symptoms are similar to symptoms of typhoid, but the disease is not as severe. When paratyphoid infection, the person has a fever, high temperature, nausea, vomiting, diarrhea, skin pink spots, rashes appear on the lips.


  • Nausea.
  • Vomiting.
  • Diarrhea.
  • Eruptions on the lips.
  • Fever.
  • Chill.


Causative agent of paratyphoid fever: A – Salmonella paratyphi, paratyphoid B – Salmonella schotmulleri, paratyphoid C – Salmonella hirschfeldii. Salmonella paratyphi belong to the family Enterobacteriaceae. Pathogens replicate within the human body. Most often, the infection occurs through food or drinking water, less direct contact with an infected person. Paratyphoid outbreaks are usually associated with eating contaminated food.


First, you must strictly comply with bed rest. Often the normalization function of the cardiovascular system of the patient is required. With frequent vomiting and severe diarrhea human body loses a lot of fluid, so that the patient dehydration threatens, so you need plenty of drink or compensation liquid with a dropper. The patient should observe a special diet. Most commonly antibiotics are prescribed; usually chloramphenicol, which inhibits the further spread of the bacteria. This is extremely important when the bacteria are in the person’s blood.

Paratyphoid treatment without a doctor is very dangerous to health. When visiting southern countries do not drink tap water and do not eat unwashed fruits and vegetables.

With prolonged vomiting and diarrhea, especially if you have recently returned from a trip to southern countries, you need to see a doctor.

A doctor must first of all ascertain the causative agent, because such symptoms occur and some other infectious diseases. To do this, the doctor performed a blood test and (or) fecal test, treatment is prescribed on the basis of these data.

Course of the disease

The incubation period is less than in typhoid fever, course of the disease is easier. The first symptoms of paratyphoid occur in 4-5 days. There are nausea, vomiting, diarrhea, fever. The high temperature is kept within a few days, then gradually fall. Recovery usually occurs within 2-3 weeks. Paratyphoid fever is usually a complication of cholecystitis. Paratyphoid A in Central Europe suffers from rare. The disease is widespread in Asia and Africa. Pathogens paratyphoid B are distributed worldwide. Symptoms are similar to the symptoms of typhoid fever. Paratyphoid C is particularly common in Asia and the Middle East. Often people get sick at the same time and any other infectious disease. Paratyphoid complications – pneumonia, inflammation of the kidneys, intestinal bleeding, inflammation of the pancreas and liver, meningitis, anemia. Paratyphoid during pregnancy can lead to miscarriage. The disease is rarely repeated. Risk to life is small, mortality is low.

People in countries with a warm climate are most often ill paratyphoid fever. The main source of contamination – water, ice cream and unwashed fruits and vegetables. When visiting southern countries, should not use these products.


Against paratyphoid fever A and B a person can be vaccinated. The vaccine contains inactivated bacteria paratyphoid A and B (vaccination is carried out in two stages with an interval of four weeks).