What is bacterial infection in acute upper respiratory tract infection, and how should it be managed?

Sep 15, 2023 Source: Cainiu Health

Dr. Guo Xiheng

Introduction

In general, acute upper respiratory tract bacterial infections may be caused by factors such as air pollution, low immunity, viral infection, bacterial infection, or mixed viral and bacterial infections. In addition, patients with chronic respiratory diseases may also develop acute upper respiratory tract bacterial infections. If symptoms persist without improvement, it is recommended to seek timely medical attention at a正规 hospital to avoid delaying treatment.

In general, bacterial infections in acute upper respiratory tract infections may be caused by factors such as air pollution, low immunity, viral infection, bacterial infection, or mixed viral and bacterial infections. A detailed analysis is as follows:

1. Air Pollution

If patients remain for prolonged periods in environments with severe air pollution, the respiratory mucosa may become irritated, leading to damage of the mucosal barrier and making it easier for bacteria to invade the body and cause infection. It is recommended that patients avoid going outdoors during periods of heavy air pollution. If outdoor activities are necessary, protective measures such as wearing a mask should be taken.

2. Low Immunity

When a patient's immune system is weakened or when exposed to external stimuli such as cold exposure or fatigue, upper respiratory tract infections are more likely to occur. It is recommended that patients follow medical advice and use medications such as Weicinyinqiao tablets or acetaminophen-pseudoephedrine tablets for treatment.

3. Viral Infection

The most common causative agents of acute upper respiratory tract infections are viruses, particularly influenza virus, coronavirus, and adenovirus. These viruses can spread via respiratory droplets or direct contact, causing epithelial damage and inflammatory responses in the respiratory tract, thereby leading to upper respiratory tract infection. It is recommended that patients follow medical advice and use medications such as amoxicillin capsules or levofloxacin tablets for treatment.

4. Bacterial Infection

Some cases of acute upper respiratory tract infection can also be caused by bacterial infection. Typically, bacterial infections present as localized inflammation, such as tonsillitis or otitis media. It is recommended that patients follow medical advice and use medications such as cefalexin capsules or sodium penicillin for treatment.

5. Mixed Viral and Bacterial Infection

Acute upper respiratory tract infections may sometimes be caused simultaneously by both viruses and bacteria. Viral infection first induces inflammation and damage in the upper respiratory tract, creating favorable conditions for secondary bacterial infection, which then further exacerbates the condition. It is recommended that patients follow medical advice and use medications such as pharyngitis lozenges or ibuprofen tablets for treatment.

In addition, patients with chronic respiratory diseases may also be more susceptible to bacterial acute upper respiratory tract infections. If symptoms persist without improvement, timely consultation at a正规 hospital is recommended to avoid delays in treatment.

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Can you use a fan when you have acute upper respiratory tract infection?

Patients with acute upper respiratory tract infections are advised not to use fans. This is because fan airflow can cause localized drops in indoor temperature, making patients more susceptible to chilling, which may worsen their upper respiratory infection or delay recovery. During the illness, patients should focus on getting adequate rest and maintaining a relaxed mood. It is acceptable to open windows for ventilation, and patients may take medications that enhance resistance and immunity.

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Can acute upper respiratory tract infection heal on its own?

In general, acute upper respiratory tract infections are self-limiting. Most cases of acute upper respiratory tract infection are caused by viral infections, and as long as there are no complications or other underlying illnesses, the body's immune system can resolve the infection on its own. However, if the infection is caused by bacteria, treatment with appropriate antibiotics under a doctor's guidance is necessary.

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Why does acute upper respiratory tract infection cause recurrent fever?

The cause of acute upper respiratory tract infection is primarily due to viral or bacterial infections. Therefore, during the course of the illness, if the virus or bacteria are not effectively controlled, recurrent fever may occur. When a patient's body temperature is below 38°C, physical methods can be used to reduce fever, such as alcohol sponge baths, wiping the armpits, groin, palms, and soles with alcohol.

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What to do if fever persists in acute upper respiratory tract infection

For persistent fever due to acute upper respiratory tract infection, relief can be achieved by rehydrating, gargling with warm water, wiping the body with lukewarm water, soaking the feet in hot water, and using medication. Acute upper respiratory tract infection may be accompanied by sore throat and pharyngeal discomfort. Gargling with warm saline solution can alleviate sore throat and pharyngeal inflammation, reduce discomfort, and help eliminate viruses from the mouth and throat.