Clear nasal discharge is what kind of cold?

Written by Li Jian Wu
Pulmonology
Updated on June 05, 2025
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Clear nasal discharge is a symptom of a cold caused by a viral infection due to catching cold. The viral infection can lead to the swelling of the nasal mucosa, increased secretions, and mucosal edema, hence the occurrence of clear nasal discharge, which is a typical early sign of a cold. During this period, it is necessary to maintain indoor air temperature and humidity, avoid eating highly irritating foods, and avoid exposure to smoke, dust, and other irritating chemical gases. Drink plenty of water, and consider taking medications known to affect glandular secretion, as well as vitamin supplements to promote the repair of tissue mucosa.

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What to do with excessive sweating from a cold?

When you have a cold and experience excessive sweating, this situation is fairly normal and there is no need to worry excessively. Your body is in a state of rest and is metabolizing at a higher rate to combat the invading cold viruses or bacteria. During this time, it is important to keep warm and avoid exposure to wind or cold. After waking, it's advisable to drink an adequate amount of water to stay hydrated and prevent dehydration and electrolyte imbalance. Additionally, under the guidance of a doctor, you should take the appropriate anti-inflammatory and anti-infection medication, or antiviral drugs to treat the condition and alleviate symptoms like sweating. It is recommended to maintain a light diet and avoid spicy, greasy, cold, or irritating foods. It is also essential to follow the doctor's instructions regarding the accurate timing and dosing of medications. Overmedication should be avoided as it could potentially weaken the body and exacerbate symptoms like excessive sweating.

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Written by Zhang Shu Kun
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The difference between having excessive internal heat and having a cold

When "excessive internal heat" occurs, it generally leads to physical weakness and can also cause pain, such as sore throat, oral pain, stomachache, etc. The symptoms of a cold mainly manifest as coughing, excessive phlegm, nasal congestion, runny nose, and an itchy throat. Therefore, effective differentiation can be made by comparing these symptoms. Regardless of whether it is "excessive internal heat" or a cold, it is important to manage the condition early to effectively prevent the illness from worsening. Drinking more plain water can also provide some relief.

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How to treat colds and flu

Wind-cold common cold is often caused by the invasion of pathogenic wind-cold. Sometimes it can also occur due to fatigue, coupled with exposure to wind and chill, and it usually happens more often in autumn and winter. In fact, it may sometimes be accompanied by body aches, runny nose, nasal congestion, and cough with phlegm. If not treated timely, it might lead to infections such as acute sinusitis. If the condition is severe, it is best to visit a hospital for face-to-face consultation with a doctor for timely treatment to avoid delaying the illness. It is important to rest regularly, engage in more physical activities to boost the immune system, and get some sunlight to also enhance immunity. Eating more fresh fruits and vegetables, consuming less greasy and fried foods, abstaining from smoking and alcohol, and developing good dietary habits can effectively prevent such conditions.

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Written by Wang Chun Mei
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Is a cough with phlegm due to a cold caused by wind-cold or wind-heat?

Coughing is a very common symptom among patients, with numerous and complex triggering factors. Determining the specific cause of a cough requires analyzing the nature of the cough, such as whether it is productive or dry, and considering other related clinical manifestations. Clinically, symptoms can help distinguish whether a cough is caused by a cold due to wind-cold or wind-heat. Typically, colds due to wind-cold often occur in winter. Symptoms include nasal congestion, runny nose, sneezing, itchy throat, varying degrees of fever, and primarily a dry cough. Conversely, colds due to wind-heat are more common in summer and are accompanied by more pronounced general symptoms. These include sore throat, fever, chills, nasal congestion, runny nose, and sneezing. Thus, simply having a productive cough does not confirm whether it is due to a wind-cold or wind-heat cold. If the cough produces yellow phlegm and occurs in summer, it generally indicates a wind-heat cold.

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How many days does a cold and fever last?

Common cold and fever generally last for about three to five days. However, if it is influenza, the duration might be longer. The specific condition should be determined based on individual constitution and disease tolerance, and it generally does not exceed seven days. If the fever persists for more than a week, secondary bacterial infection or other pathogenic respiratory inflammatory factors should be considered. Chest X-rays, complete blood count, and mycoplasma tests, among other diagnostic aids, would be necessary for a precise diagnosis. Appropriate measures to reduce fever should be taken during this time.