Signs of intestinal infection appear quickly – the incubation period ranges from several hours to two days (in some viral infections – up to seven days). The patient's condition is deteriorating rapidly – first appear rapidly progressive weakness, abdominal discomfort, and then join the rest of the symptoms.
The main symptoms of intestinal infection – vomiting, abdominal pain, diarrhea. Abdominal pain can be oppressive, unbearable or severe, be constant or paroxysmal in nature. Sometimes have mild pain, perceived more as discomfort. Often there are symptoms such as flatulence, rumbling and "transfusion" in the stomach.
Vomiting in intestinal infections can be repeated, accompanied by cramping abdominal pain, and single. After vomiting may occur short-term relief.
For intestinal infections characterized by marked signs of intoxication – weakness, pale skin, lack of appetite. In some cases patients are not able to swallow even a small amount of water – one or two SIPS of fluid immediately cause vomiting. It is also possible the increase in temperature, decrease in blood pressure, chills, headaches. Viral infections are often observed enlargement of lymph nodes.
A common symptom of viral and bacterial lesions of the digestive tract – diarrhea. In some types of infections stool frequency can reach up to 15-20 times a day. Vomiting and diarrhea can lead to dehydration (dehydration), resulting in dryness of mucous membranes, increasing lethargy, weakness, increase in temperature. Progressive dehydration can lead to death of the patient, so the treatment of intestinal infections replacing the lost fluids is a major task. Dehydration is particularly dangerous for children because of their small body mass severe the degree of dehydration in babies occurs faster than in adults.
Dangerous symptoms that require immediate access to a doctor, considered vomiting, and diarrhea mixed with blood, profuse (abundant and frequent) diarrhea and frequent vomiting when unable to compensate for the loss of fluids, fatigue (up to loss of consciousness), fever, rash. Double vision, breathing problems, severe muscle weakness characteristic of such foodborne diseases as botulism, while vomiting and diarrhea may be absent. When you see these signs, the patient must be urgently hospitalized – botulism may cause spasm of muscles involved with breathing and to death.