What are the symptoms of bronchitis?

1. Symptoms Systemic symptoms are generally mild, with fever, about 38, and more than 3-5 days to normal. Cough and sputum production, first dry cough or a small amount of mucinous sputum, and then can turn into mucopurulent or purulent, the amount of sputum increases, the cough is aggravated, occasionally there is blood in the sputum, the cough can last for 2-3 weeks before disappearing, if it is not healed, it can evolve into chronic bronchitis. If the bronchi spasm, there may be varying degrees of shortness of breath and a feeling of tightness behind the hemisternum.

2. Body Body: There are not many body bodies, breath sounds are often normal, and scattered dry and wet rales can be heard in both lungs. The rales are not fixed and may decrease or disappear with coughing.

Laboratory tests.

There is no significant change in the white blood cell count and differential in the peripheral blood. In severe bacterial infection, the total number of white blood cells and neutrophils is elevated, and sputum cultures can detect the causative organism. On chest x-ray, most of the findings are normal or only have thickened lung markings.

It should be differentiated from the following diseases:

First, the epidemic ** onset is abrupt, fever is high, systemic poisoning symptoms such as body aches, headache, fatigue and other obvious and local respiratory symptoms are mild. There is often an epidemiological history and can be differentiated by virus isolation and serologic testing.

2. Acute upper respiratory tract infection Nasopharyngeal symptoms are obvious, generally including cough and sputum, and there is no abnormal body in the lungs.

3. Other diseases such as bronchopneumonia, tuberculosis, lung cancer, lung abscess, measles, whooping cough and other diseases can be accompanied by symptoms of acute bronchitis, which should be examined in detail for identification.

**。1. General** Rest, keep warm, drink plenty of water, and replenish enough calories.

2. Antimicrobial drugs** Antimicrobial drugs are selected according to the pathogen of infection and drug susceptibility test**. In general, drugs such as macrolides, penicillins, cephalosporins, and quinolones can be used before a positive result for pathogenic bacteria is obtained. Most patients can take oral antimicrobials, and those with more severe symptoms can be given intramuscular injections or intravenous infusions.

3. Symptomatic** For cough without phlegm, dextromethorphan, pentovereline (cough must be clear) or codeine can be used. If the cough has phlegm and is not easy to cough up, ambroxol hydrochloride and bromhexine can be used, etc., and it can also be nebulized to help phlegm. Chinese patent medicines can also be used for cough and phlegm medicines.

In the case of bronchospasm, antiasthmatic drugs such as theophylline and receptor agonists can be used. Fever can be treated with antipyretic analgesics.

Prevention Strengthens the body and prevents colds. Improve the labor and health environment, prevent air pollution, and purify the environment. Remove lesions in the nasopharynx, larynx, and other parts.

Bronchitis, generally with cough and sputum as the main clinical manifestations, of which acute tracheobronchitis generally has a rapid onset, usually mild systemic symptoms, fever and chronic bronchitis, generally slow onset, long course of repeated acute attacks, and aggravation.