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Salmonellosis Infectious

Salmonellosis is a bacterial infection that causes a profuse diarrhea, fever and rapid body dehydration.


Salmonellosis is caused by a bacterium called Salmonella. There are various species of salmonellas that cause salmonellosis - Salmonella typhimurium, Salmonella enteritidis, Salmonella london, Salmonella infantum and so on. Moreover, a certain type of salmonella - Salmonella typhi - causes another infectious disease - typhoid.

The reservoir of salmonellosis is domestic animals and birds. People get infected by eating contaminated raw meat, eggs, and sometimes even milk and curd.

Signs and symptoms

The incubation period of salmonellosis lasts from 12 hours to one day. After that these symptoms of salmonellosis suddenly occur: high temperature, general weakness and headache, stomachache, especially at the pit and on the right side. The patient begins to vomit and has a profuse diarrhea (watery stools).

Sometimes nausea and vomiting are more pronounced (gastroenteral, gastric form of salmonellosis), in other cases - the key symptom is diarrhea with rice-water-like stools (enteral form of the disease). Another form of the infection manifests itself in severe abdominal pain, cramps, colic, painful bowel movements and diarrhea with blood (enterocolitic, gastroenterocolitic form). If the disease spreads further, an uncommon septic form of salmonellosis occurs. In this case the course is fulminant: high fever, chills, skin rash, jaundice, joint pain and respiratory disorders might occur. A chronic asymptomatic salmonella carrying is rare, however, possible.


The diagnosis of salmonellosis is based on history. Blood tests are carried out (they show general inflammation). The diagnosis is confirmed by growing Salmonella cultures from feces or vomits (sometimes from the blood).


The most important in treating salmonellosis is to remove the infected contents from the gastrointestinal tract (gastric lavage, etc.) and constantly maintain the fluid and electrolyte balance with intravenous drip or by encouraging the patient to drink fluids regularly. Herewith antibiotics (ciprofloxacin, Septrin, ampicillin) are administered.


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