How to deal with heatstroke, cold, and fever?

Written by Chen Xiao Jun

Emergency Department

Updated on April 05, 2025

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In summer, due to the high temperatures, the human body can intake too much heat, leading to weakened immunity and symptoms such as colds and fevers, including sore throat, pain in the throat, runny nose, chills, and feverish symptoms. In such cases, symptomatic treatment can be carried out, starting with controlling the indoor temperature, which should not be too high or too low, and can be in an air-conditioned room, but the room temperature should not be set too low. Also, drink more water and appropriately take some cold medicine for symptomatic treatment. If the body temperature reaches above 38.5°C and physical cooling methods are not controlling it, fever-reducing medications might be needed. It is best to visit a hospital for relevant examinations, such as routine blood tests, liver and kidney function tests, and electrolytes, to rule out serious damage to internal organs caused by heatstroke.

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Is an air conditioning cold a wind-heat cold?

The so-called air conditioning cold refers to a cold phenomenon caused by setting the air conditioning temperature too low, which makes patients overchilled. The clinical symptoms of such patients are mainly those of a cold caused by wind-cold, primarily characterized by a runny nose, nasal congestion, and clear watery nasal discharge, along with an itchy throat and coughing. Of course, these patients may also experience varying degrees of fever. Therefore, air conditioning-induced colds typically occur in the summer, and it is necessary to combine the patient’s clinical symptoms to determine the specific type of cold, which is generally dominated by wind-cold colds.

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Is kidney qi deficiency prone to colds?

Patients with insufficient kidney qi are more likely to catch colds. This is because a deficiency in kidney qi can affect vitality, leading to slower bodily functions. Insufficient nurturing of vitality results in lethargy, lack of sleep, and reduced memory, thereby increasing the susceptibility to colds. This is especially true for male patients, where severe deficiency in kidney qi can lead to symptoms such as impotence and premature ejaculation. Additionally, it leads to lower bodily resistance and insufficient yang qi, as well as cold aversion, thus timely treatment is essential.

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How to treat phlegm in children with colds

When children have a cold with phlegm, the treatment includes: 1. Administering antiviral drugs or other appropriate medications based on the cause of the cold; 2. Providing specific oral cold medicines for treatment; 3. If there is a lot of phlegm, oral medications to reduce phlegm can be used in combination with other treatments. When there is less phlegm, parents can encourage the child to drink more water, frequently hydrate, and assist with patting the back, which helps to moisten and expel the phlegm. For excessive phlegm, nebulization inhalation treatments can also be used, where the medication acts directly on the respiratory tract, helping with the absorption of respiratory tract phlegm. In severe cases, if there is a lot of phlegm with coughing discomfort or a severe cough, it is necessary to take the child to the hospital for detailed laboratory tests. Based on the specific pathogen causing the excessive phlegm and cold, targeted treatment should be given under the guidance of a doctor.

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Is having phlegm in a cold due to wind-cold or wind-heat cold?

Simple cases of colds accompanied by coughing phlegm cannot distinguish between cold-induced colds and heat-induced colds. Clinically, patients with heat-induced colds often have yellow phlegm when coughing occurs, and heat-induced colds are more common in summer. Patients will also experience fever, chills, and sore throat among other clinical symptoms. Wind-cold colds clinically manifest with nasal congestion and a runny nose, usually with clear nasal discharge, as well as fever, itchy throat, and dry cough. When patients cough, it is typically characterized by clear phlegm. Therefore, if one simply states that a cold involves phlegm, it is not possible to differentiate between wind-cold cold and wind-heat cold.

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What should I do if I have a cold and my nose is itchy?

Itchy nose due to cold is caused by viral infection leading to swelling of the nasal mucosa, which causes symptoms such as runny nose and sneezing. One should choose to take vitamin supplements and drugs that suppress gland secretion for symptomatic treatment. It is also recommended to drink plenty of hot water and maintain a suitable indoor temperature and humidity. Dietary considerations should include avoiding spicy foods like chili peppers, seafood, overly sour, cold, or spicy foods. During the acute phase, under the guidance of a doctor, one may choose to take vitamin C tablets, cetirizine hydrochloride dispersible tablets for symptomatic treatment. If accompanied by fever symptoms with a body temperature above 38 degrees Celsius, acetaminophen tablets can be taken for fever reduction. The main principle of treatment is symptomatic treatment, drinking plenty of water, and it may also be combined with antiviral medication therapy.