Does the flu require infusion?

Written by Li Jian Wu
Pulmonology
Updated on September 02, 2024
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Whether to administer intravenous fluids for influenza should be decided based on the severity of the illness, individual constitution, and the duration of the disease. It cannot be determined by the simplicity of the condition alone. Influenza is a contagious respiratory disease caused by infection with influenza or parainfluenza virus. If the immune function is normal and there are no complications, generally one can recover on their own in five to ten days without the need for intravenous fluids. However, if influenza infects a person with a weak constitution and causes complications leading to bacterial infection, resulting in symptoms like breathing difficulties and coughing, intravenous fluid therapy is required.

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How to get a flu vaccine?

Influenza vaccines are mainly produced to prevent epidemic influenza and are currently available in three main types: Type A, B, and C. The target population for influenza vaccine administration primarily includes the elderly, preschool children, and patients with chronic underlying diseases, who are more suitable for vaccination. For children under three years old, the influenza vaccine should be administered twice, as it is administered via muscle injection and cannot be used intravenously. For this age group, the two doses should be spaced at least four weeks apart. For children over three years old and adults, an annual vaccination is sufficient. The optimal time for influenza vaccination is usually in September and October, as influenza tends to outbreak in winter and spring, so vaccinating during these months can greatly prevent influenza.

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Do you need to isolate for the flu?

Influenza can be classified into three types based on the surface membrane proteins and nucleocapsids: type A, type B, and type C. Type A influenza usually causes major outbreaks in populations. Due to frequent genotypic changes in type A influenza, the general population often lacks immunity against it. Generally, influenza is a legally designated class B infectious disease in the country, and it can be transmitted to normal or healthy individuals through droplets, sneezing, or aerosols. Therefore, if an outbreak occurs, isolation measures should be taken, people should avoid crowded public places as much as possible, and maintain ventilation by keeping windows open, to prevent transmission from infected patients or certain animals.

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Can the flu cause recurring fever?

Influenza can cause recurrent fever as a symptom. Epidemic influenza, also caused by influenza or parainfluenza virus infection, is a type of acute respiratory infectious disease. The presence of the virus in the body can stimulate the body's temperature regulation center, which may cause recurrent episodes of fever, typically lasting about three to five days, and the fever should not persist beyond seven days, so there is no need for excessive worry. It is advised to drink plenty of water, rest adequately, and take appropriate antipyretic medication to manage the fever when it occurs. Additionally, antiviral medications like Qingkailing or antiviral oral solutions can be used for antiviral treatment. (Specific medications should be taken under the guidance of a physician.)

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Can the flu cause diarrhea?

Influenza can cause diarrhea, but this is a minority occurrence. Influenza is a disease that appears after the respiratory system of a human body gets infected with the influenza virus. After infecting the human body, influenza primarily manifests symptoms like coughing, sore throat, and fever. However, some patients may develop gastrointestinal symptoms such as diarrhea, nausea, and vomiting after being infected with influenza. This situation is related to viral infection, not the commonly thought stomach flu or food poisoning. Some patients may also experience joint pain and a decrease in appetite. If a patient experiences diarrhea accompanied by respiratory infection symptoms and has tested positive for influenza antibodies, it is necessary to promptly use antiviral drugs for influenza. However, many doctors who do not have such experience in diagnosing influenza might mistake the nausea and diarrhea caused by influenza for gastroenteritis, leading to a delay in proper treatment. Therefore, if one has respiratory symptoms accompanied by gastrointestinal symptoms, the possibility of influenza should be considered.

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What department should I go to for the flu?

Influenza refers to a disease that manifests as cough, fever, and sore throat following human infection by the influenza virus. It is commonly known as the flu or influenza. In addition to respiratory symptoms, the flu may also present with digestive symptoms such as nausea, vomiting, abdominal pain, and diarrhea. Therefore, for flu treatment, one can visit the respiratory department. Of course, in cases of severe symptoms such as high fever, chest tightness, and fatigue, one may also visit the emergency department. However, if the initial diagnosis is predominantly digestive symptoms, it's possible that the gastroenterology department will refer the patient back to the respiratory department for treatment. This requires careful differentiation and exclusion by the doctor before making a diagnosis, so visiting the respiratory or emergency department for flu is appropriate.