(A) Overview
Typical influenza begins abruptly: The incubation period is a few hours to 4 days, usually 1 to 2 days; high fever, body temperature can reach 39 ~ 40 ℃, with chills, general continued to 2 ~ 3 days; systemic symptoms of poisoning weight, such as fatigue, headache , dizziness, body aches; lasted longer, the body temperature normal fatigue and other symptoms that last 1 to 2 weeks; respiratory catarrhal symptoms of mild, often sore throat, a small number of nasal congestion, runny nose, etc.; a small number of nausea, vomiting , loss of appetite, diarrhea, abdominal pain. A small number of patients with gastrointestinal symptoms as the main performance. The elderly, infants and young children, there is a heart and lung disease or those receiving immunosuppressive therapy after suffering from flu can develop pneumonia.
(B) clinical classification
1, simple influenza: acute onset, body temperature 39 ~ 40 ℃, with chills, fatigue, headache, muscle and joint pain and other systemic symptoms, mild symptoms of respiratory tract card it can be a runny nose, stuffy nose, dry cough and so on. Examination: acute tolerance, pharyngeal congestion and swelling, no discharge, pulmonary rales may be, and dry.
2, pneumonia, influenza: less opinion, more than occurred in the elderly, children, the original heart and lung disease populations. Reason: the original disease toxic pneumonia, secondary bacterial pneumonia, viral pneumonia, mixed bacteria. Performance: persistent high fever, severe cough, hemoptysis sputum, shortness of breath, cyanosis, pulmonary rales audible and wet. Chest Tip of the floc lungs have scattered shadows. Sputum culture non-pathogenic bacterial growth, detachable out of influenza viruses. May be due to respiratory and circulatory failure and death, a high fatality rate.
3, toxic influenza: The central nervous system and cardiovascular system damage characterized. Manifested as high fever persisted and blood pressure down and look ahead, convulsions, meningeal irritation symptoms such as encephalitis and meningitis.
4, gastroenteritis influenza: rare, with diarrhea, abdominal pain, vomiting as the main clinical manifestations.
(C) the complication
1, respiratory system: bacterial bronchitis, bacterial bronchitis, pneumonia
2, Reye syndrome, Reye syndrome is a Type A and Type B influenza, liver, nervous system complications, age at onset of 12 to 16 years old, after fever, nausea, vomiting, followed by drowsiness, coma, convulsions and other neurological system symptoms, liver and large, no jaundice, cerebrospinal fluid examination was normal. Taking aspirin may be related.
3, Other: toxic shock, toxic myocarditis,
Fever should we do?
One of influenza symptoms is fever, body temperature can sometimes be as high as 39-40 degrees Celsius. At this point many people will be taking anti-fever drugs, or use of alcohol brush, or ice fever. In fact, 37 to 40 degrees Celsius temperatures, suppressed reproduction of influenza viruses can be said that a fever is the body's immune system is preparing to fight a signal, if forcibly suppressed, it will only weaken their resistance, helping the virus reproduction. It was also proposed Shaochuan clothes and heat, be they hot or cold wind cold sufferers have Weileng performance, even if there is high fever in the body the same. Therefore, you should do is to wear enough warm clothing and should not be eating anti-fever medicine (especially self-service medicine), or the opposite effect makes a botch.
Final recommendations should be timely medical treatment, a high fever would burn out the brain, or cause myocarditis are professionals such as hospital comprehensive treatment of fever with the best anti-virus anti-inflammatory treatment in time (and in the absence of guidance from physicians do not recommend random chaos is likely to take medicine or else even more trouble) In short, is strongly recommended that timely treatment, and doctors can be guided.
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