Influenza is caused by influenza virus infection and can be clinically categorized into four types: simple type, gastrointestinal type, pneumonia type and toxic type, with symptoms such as fever, headache, malaise, respiratory difficulties, digestive discomfort and other symptoms.
1. Simple type: the onset of the disease is generally acute, and there may be high fever, headache, fatigue, muscle pain and other systemic symptoms of poisoning, upper respiratory tract symptoms are not obvious.
2. Gastrointestinal type: it can cause gastrointestinal symptoms such as vomiting, diarrhea and loss of appetite.
3. Pneumonia: high fever, shortness of breath, cyanosis, even respiratory failure and other respiratory symptoms.
4. Poisoning type: high fever, damage to the nervous system and cardiovascular system, severe shock, disseminated intravascular coagulation and other symptoms.
There are also some people with influenza who have milder symptoms, similar to those of the common cold.
When suffering from influenza, you need to actively treat under the guidance of a doctor, pay attention to rest, drink more water.