Influenza Virus Infection Clinical Trial
Official title:
Effect of Early Antiviral Therapy on Duration of Cough in Flu Patients
This study mainly focused on the effect of early antiviral treatment on the duration of cough in influenza patients.investigators conducted an early investigation of patients with positive influenza virus and asked whether patients used antiviral drugs in the early stages. According to the use of drugs, patients were divided into oral oseltamivir group, oral lotus phlegm group and other groups, and investigators will collected Inspection information and medication status,during the treatment period of patients.
Cough is a common symptom of respiratory diseases and helps to clear respiratory secretions
and harmful factors, but frequent severe coughing has a serious impact on the patient's work,
life and social activities. Upper respiratory tract viral infection is a common cause of
coughing. Many patients have a long duration of cough after suffering from flu. Cough can
last for several weeks, and most often have irritating dry cough or a small amount of white
mucus sputum. This type of cough is also often referred to as "subacute cough" or
"post-infection cough." The mechanisms that cause this cough have not been fully elucidated,
and the effect of conventional treatment is not good, and chest imaging has no obvious
abnormalities. The use of large amounts of antibiotics is ineffective or ineffective.
Antihistamine H1 receptor antagonists and central antitussives are often only effective or
ineffective in the short term. The effects of various bronchodilators and even hormone drugs
are not clear. Due to the poor efficacy of multiple treatments, patients are repeatedly
subjected to various tests, which not only increases the pain but also aggravates the
economic burden.
Therefore, it is necessary to further clarify the causes and treatment measures of
post-influenza cough patients.
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