What should I do if the flu recurs with fever?

Written by Yuan Qing

Pulmonology

Updated on February 03, 2025

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Influenza, also known as the flu, refers to a disease characterized primarily by sore throat, cough, and fever, caused by an influenza virus infection of the upper respiratory tract during the flu season. Due to the repeated replication of the influenza virus after entering the human body, it triggers an immune response between the person and the virus, thus causing repeated fevers.

However, for a person with normal immunity, the flu can improve on its own, usually over 7 to 10 days. During these 7 to 10 days, if the fever recurs, it can be managed with some antipyretic medicines. Both traditional Chinese medicine and Western medicine have relevant drugs. After the fever subsides, the flu can usually heal on its own within about 3 to 5 days.

(Please use medication under the guidance of a doctor.)

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Written by Yuan Qing

Pulmonology

55sec

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Can people with phlegm-dampness eat eggs?

Yes. Influenza refers to a type of disease characterized by fever, sore throat, and cough which occurs after human body is infected with influenza viruses, including type A, B, and C. It is also called epidemic influenza. Influenza is a class B infectious disease as legally defined in our country and has a certain transmissibility among the population. Patients often experience fatigue, loss of appetite, and decreased resistance after contracting influenza. As for eggs, they contain a balanced mix of nutrients, including rich proteins, trace elements, amino acids, and common vitamins, etc. Therefore, it is generally recommended to consume some eggs during influenza to improve the nutritional status and resistance of patients, which is beneficial for their recovery.

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Written by Yuan Qing

Pulmonology

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What fruits can people with edema eat?

Influenza refers to a group of diseases that occur when the respiratory system of the human body is infected by the influenza virus, primarily characterized by coughing, sore throat, and fever. However, besides causing respiratory symptoms, the influenza virus can also cause gastrointestinal symptoms such as nausea, vomiting, and diarrhea, and can also lead to a decrease in appetite. Fruits, due to their abundant fluid content and rich vitamins and minerals, are particularly suitable for consumption during influenza when appetite is reduced. It is generally recommended that patients eat some fruits that clear heat, reduce fire, and nourish the yin, such as pears, tangerines, lotus roots, sugarcane, and water chestnuts. These fruits can effectively treat influenza and also supplement the needed nutrients.

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Written by Yuan Qing

Pulmonology

1min 6sec

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Can type A influenza heal by itself?

Type A influenza is self-healing, but it mainly depends on the person who is infected with the flu. Generally speaking, regarding viral diseases, our bodies will produce corresponding antibodies against these microbial pathogens, and then use these antibodies to eliminate them. Type A influenza is a cold-like disease caused by an influenza virus, and it certainly can stimulate our bodies to produce antibodies against this type of flu for elimination. For some young and healthy individuals, or those with a generally good health base, type A influenza can completely heal on its own without any antiviral medications. However, for older adults, those who are weaker, or those who have underlying conditions such as high blood pressure or heart disease, type A influenza may lead to severe pneumonia or even be fatal. Therefore, whether type A influenza should be treated, or whether it can rely on self-healing, depends on the condition of the infected patient. Thus, the treatment principles of doctors also vary depending on the different conditions of patients.

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Written by Wang Xiang Yu

Pulmonology

49sec

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Is type B influenza contagious?

First, we need to understand what influenza B is. Influenza B, also known as influenza type B, is a type of influenza caused by the influenza B virus. Currently, it is classified as a class C infectious disease, which means it is indeed contagious. The main sources of transmission for influenza B are patients and asymptomatic carriers. Generally, the virus is contagious from one to seven days after onset of the illness, with the highest contagiousness occurring within the first two to three days. Influenza B is a respiratory tract infectious disease, mainly spread through the air and droplets. Most people are susceptible to influenza B.

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Written by Wang Chun Mei

Pulmonology

1min 21sec

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Can influenza-specific drugs prevent influenza?

Influenza is a highly contagious respiratory disease caused by the invasion of the respiratory tract by influenza virus. Clinically, it can be divided into type A influenza and type B influenza based on the specific type of virus infection. Clinically, there are actually no specific drugs for influenza. The key is to provide appropriate antiviral medications for symptomatic treatment. For example, if a patient is infected with the influenza virus, commonly used treatments include traditional Chinese medicines or antiviral drugs, which can effectively alleviate the uncomfortable symptoms caused by the influenza virus. Regardless of which type of influenza virus the patient has, the medications used in clinical treatment cannot prevent influenza. Therefore, we recommend avoiding going out as much as possible during the peak season of influenza. If going out is necessary, it is important to take precautions, as influenza is transmitted through respiratory droplets. Wearing a mask when going outside can reduce the chances of getting infected with influenza.