Are there any symptoms of a respiratory infection?

Symptoms of respiratory tract infections include cough, phlegm, fever, dizziness, headache, sore throat, and in severe cases, asthma.

What are respiratory infections. Symptoms of respiratory tract infection, usually sore throat. Then it's harder to breathe. Sometimes you even have a fever.

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The early symptoms of upper respiratory tract infection are mainly nasal inflammation, which may include sneezing, nasal congestion, watery nasal discharge, and early pharyngeal discomfort or dry throat, itchy throat or burning sensation.

2 After 3 days, it becomes thick discharge, there may be sore throat or hoarseness, sometimes hearing loss due to eustachiolitis, tearing, dull taste, poor breathing, cough, small amount of sputum and other symptoms.

Fever and constitutional symptoms are usually absent or low-grade fever is present. In severe cases, in addition to fever, systemic symptoms such as fatigue and malaise, chills, aching limbs, headache and loss of appetite may be felt.

Doctors may find nasal mucosal hyperemia, edema, and discharge, mild pharyngeal congestion, and chest examination is usually unremarkable.

Main clinical manifestations:

1. Common cold.

It mainly presents with nasal symptoms such as sneezing, nasal congestion, and watery nasal discharge, but can also manifest as cough, dry throat, itchy or burning sensation, and even postnasal dripping. Symptoms such as sneezing, nasal congestion, and runny nose may occur at the same time or within a few hours of onset. 2 After 3 days, the nasal discharge thickens, often accompanied by sore throat, tearing, loss of taste, poor breathing, hoarseness, etc.

2. Acute viral pharyngitis or laryngitis.

1) Acute viral pharyngitis is mostly caused by rhinovirus, adenovirus, influenza virus, parainfluenza virus, enterovirus, respiratory syncytial virus, etc. Clinical features include itching or burning sensation in the pharynx, cough is rare, and sore throat is not obvious. When swallowing is painful, it often indicates a streptococcal infection.

Influenza virus and adenovirus infections may present with fever and fatigue. Adenoviral pharyngitis may be accompanied by ocular conjunctivitis.

2) Acute viral laryngitis is mostly caused by rhinovirus, influenza A virus, parainfluenza virus and adenovirus. Clinical features are hoarseness, difficulty speaking, pain with cough, and often fever, sore throat, or cough.

3. Acute herpangina.

It is usually caused by coxsackievirus A, manifested as obvious sore throat and fever, and the course of the disease is about 1 week, more common than in summer, more common in children, and occasionally in adults.

4. Pharyngeal conjunctival fever.

It is mainly caused by adenovirus, coxsackievirus, etc. Clinical manifestations include fever, sore throat, photophobia, and lacrimation.

5. Bacterial pharyngeal-tonsillitis.

It is mostly caused by hemolytic streptococcus, followed by Haemophilus influenzae, pneumococcus, staphylococcus, etc. Acute onset, marked sore throat, chills, fever (temperature up to 39 or more).

It is usually accompanied by symptoms such as general weakness, aching limbs, headache, sore throat, cough, and sticky sputum.

Let's go to the hospital for a check-up.

1. Introduction

Respiratory infections are illnesses caused by a range of respiratory viruses, including colds, flu, pneumonia, etc. These diseases are widely distributed across the globe and infect millions of people every year.

2. Symptoms

The main symptoms of respiratory infections are sore throat, runny nose, coughing, and sneezing. Other common symptoms include headache, muscle pain, fatigue, fever, and loss of appetite.

Generally, the symptoms of a cold will resolve in about 7 to 10 days, but the symptoms of the flu will be more severe and usually take longer to treat.

3. Respiratory symptoms

Respiratory infections can also cause respiratory symptoms such as shortness of breath, cough, chest pain, and shortness of breath. Severe cases may even lead to pulmonary inflammation, which needs to be prompted**.

4. Other symptoms

Some respiratory viruses can also cause other symptoms, such as nausea, vomiting, diarrhea, and dizziness, to name a few. In addition, infections can also cause a burden on the immune system, which can lead to fever, fatigue, and malaise.

It is important to note that children, the elderly, and people with weakened immune systems are more susceptible to respiratory infections and are more likely to become severely ill. Therefore, as soon as the symptoms of respiratory tract infection are detected, measures should be taken in time**.

Upper respiratory tract infection refers to the disease caused by the infection of pathogens such as bacteria, viruses, fungi and other pathogens in the upper respiratory tract, it is a common disease that can occur in people of any age.

There are many symptoms of upper respiratory tract infection, the main ones are the following:

First, an upper respiratory tract infection can cause fever.

Fever is a typical symptom of an upper respiratory tract infection, and the degree of fever can range from mild to high fever and can even reach more than 39.

Second, upper respiratory tract infections can cause coughing.

Cough is a typical symptom of upper respiratory tract infection, and cough can be divided into dry cough and sputum cough, with dry cough referring to coughing without phlegm, and sputum cough referring to coughing with phlegm.

In addition, upper respiratory tract infections can cause chordal pain.

Sore throat is a typical symptom of upper respiratory tract infection, and sore throat can be divided into chronic and acute, with chronic sore throat generally lasting longer and acute sore throat generally shorter.

In addition, upper respiratory tract infections can cause headache, sore throat, runny nose, sore throat, and redness and swelling of the pharynx.

The symptoms of upper respiratory tract infections are varied, and if the above symptoms appear, one should seek medical attention in time for timely diagnosis and **.

On the **, different **methods should be adopted according to the different pathogens, such as antibiotics**, antiviral**, etc.

In addition, attention should also be paid to strengthening nutrition, drinking plenty of water, maintaining good hygiene, and doing more outdoor activities to enhance the body's immunity.