0 The flu - symptoms, course of the disease, stomach flu symptoms.

The incubation period (the period between infection and onset of symptoms) is between 1-4 days.
The beginning of the flu is an acute and usually involves a lot of typical disease symptoms. The clinical picture unfolds quickly, in a matter of hours. Previously healthy man suddenly gets chills, accompanied by fever mostly in the range 38 to 40 ° C. In the other patients there was a slight fever. Simultaneously appears highlighted flu syndromes: patients dropped out, relaxed, tired, unable to perform their daily work and are intoxicated. They have headaches, aching eyeballs, neck, lower back, pain in your muscles and joints, the body is "rock". The signs of the flu are complemented by a lack of appetite and stomach flu symptoms such as nausea, vomiting and diarrhea (more common in children).

These intoxication symptoms are so characteristic that distinguish influenza infection from all other acute respiratory diseases.
Along with the above symptoms appeared and dry, irritating, nonproductive cough, which could be added to the pain behind the sternum from typical flu tracheitis. There are a sore throat, the nose is blocked.

The course is acute - most often the initial fever is not repeated, the temperature stays 3-4 days, intoxication too. The cough may last more than a week, and fatigue and fatigue - a few weeks, especially in patients prone to depression. Stomach flu symptoms also disappear after one or two days.

This summarizes does not exclude variations in flow depending on age, previous diseases, type of influenza virus specific conditions such as pregnancy, immune deficiency, etc.



In short, illness from flu, a person can have any of the following symptoms:

• Chills and fever;
• cough;
• Sore throat;
• fever;
• Muscle pain;
• headache;
• fatigue;
• Sometimes, stomach flu symptoms; such as nausea and vomiting - more common in children;

One of the three flu may have gastrointestinal problems during the disease, in most cases, not about basic flu symptoms. Nausea, vomiting and diarrhea is usually caused by other viruses and bacteria or food poisoning, but are not an required stomach flu symptoms.

In the next article we'll look at specific flu symptoms. We will try to give more information about each symptom. To explain what symptoms are required for clinical picture of influenza and who's not.