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 long does the flu vaccine last?

Compared to the common cold, influenza causes more severe symptoms and is more contagious. Antibiotics are ineffective against it, but influenza can be prevented, and vaccination is the most effective way. Currently, the immunity from the influenza vaccine generally lasts about one year. It starts to work about a month after injection, but after six months, the concentration of antibodies in the body gradually declines. Additionally, the virus mutates every year, so an annual vaccination is necessary to provide effective protection, reduce symptoms, and prevent influenza.

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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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symptoms of influenza

The symptoms of influenza vary greatly from individual to individual. The typical presentation first follows the trend of influenza outbreaks. After coming into contact with an infected person or the influenza virus, symptoms such as fatigue, limb pain, nausea and vomiting may be experienced. Some may also have symptoms like runny nose, sneezing, sore and dry throat, and a sensation of a foreign body in the throat. Clinically, the main symptoms are limb pain and body fatigue, and some may also experience a rise in body temperature. It is advisable to drink more water, rest more, and measure body temperature. Choosing antipyretic analgesics can generally relieve symptoms, and antiviral medications can also be used as treatment directed toward the cause. (Medication should be used under the guidance of a doctor.)

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How many days does the fever from influenza last?

Influenza, also known as the flu, generally refers to a group of diseases characterized by sore throat, cough, and fever, which occur after the human upper respiratory tract is infected by the influenza virus. We call it influenza or flu. Since influenza is a viral infection, it has a certain self-limiting nature, meaning that patients might recover completely over time without treatment. The fever caused by influenza usually lasts three to five days for people with normal immune systems. However, for some elderly, infants, and pregnant women, the fever might extend to five days or even ten days, and special attention is needed for these groups.

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How is avian flu treated?

First, patients suspected or confirmed with avian influenza should be isolated and treated as early as possible. Second, antiviral medications such as oseltamivir and zanamivir should be taken within forty-eight hours of onset, the sooner the better. Third, physical cooling or antipyretic drugs should be administered during high fever, and medications like Compound Licorice Tablets and Ambroxol Hydrochloride can be used to relieve severe cough and phlegm. Oxygen therapy using nasal cannulas or masks may be administered depending on the degree of hypoxia. Fourth, strengthen supportive treatment, maintain internal environment stability, and prevent complications.