Why do people have a runny nose when it is cold (even in summer)?

"Hot cold" can be considered as wind-heat cold, influenza, etc., belonging to the so-called hot cold. Western medicine is the common cold with bacterial upper respiratory tract infection. Wind-heat cold: prevent before you get sick and strengthen your physique. Influenza is also called flu: be careful not to go to crowded places, have more ventilation, pay attention to hygiene and wear masks.

The cause of disease

There are several main reasons for catching a cold in summer: First, due to the hot climate in summer, the human body sweats more, and sweat glands consume a lot of energy. Second, the days are long and the nights are short in summer. The sultry weather often affects people's normal sleep and rest, leading to lack of sleep and weakness. Third, in summer, many people have poor appetite, mainly light food, which affects protein's intake. Fourth, because of the hot weather, people are reluctant to go outdoors to exercise, which makes the human body's resistance decline. Fifth, due to different regions and large temperature difference between day and night, the elderly and children are prone to catch a cold at night. Sixth, the weather is abnormal, and people don't adapt to the temperature changes in time, which increases the chance of being infected with the virus and causes colds. Seventh, many people love to be cool, like to blow air conditioners and take cold showers, and it is easy to catch a cold in summer.

symptom

The main symptoms of "hot cold" are: fever, dizziness or headache, sore throat, runny nose, dry mouth, weakness of limbs, loss of appetite and so on. "Hot cold" has not only cold symptoms, but also fever, poor sweating, nausea and vomiting, diarrhea and abdominal pain. Treatment should focus on clearing heat and eliminating dampness, relieving exterior syndrome and regulating middle energizer. You can choose Huoxiang Zhengqi Oral Liquid (10 ml), which is 3~5 ml for over 7 years old and 2~4 ml for 3~7 years old, twice a day. Children with gastrointestinal colds who feel aversion to cold and fever, food retention or diarrhea and vomiting can choose afternoon tea granules (granules); People who are thirsty due to summer heat and infantile malnutrition can use honeysuckle dew oral liquid; People with constipation, thirst and anxiety, and sores on the mouth and tongue can use Daochi Pill, but children under one year old should use it with caution.

The symptoms of "hot cold" are mild, only nasal symptoms, such as stuffy nose, runny nose, sneezing and mild cough, can be cured in 3~4 days. If the pharynx is involved, there will be fever, sore throat and tonsillar enlargement. Fever usually lasts for 2~3 days.

If the symptoms are severe, there are high fever, chills, headache, fatigue and loss of appetite. Patients may have frequent cough, congestion, herpes and ulcers in the throat, tonsil exudation and obvious sore throat. Inflammation can also cause swelling and pain of submandibular lymph nodes, spread to sinus, middle ear and trachea, and cause complications. Infants with high fever are prone to convulsions.

White blood cells are mostly normal or low in virus infection and high in bacterial infection. Because most upper respiratory tract infections are caused by viruses, especially in the early stage of viral infection, antibiotics are not needed. If it is complicated with bacterial infection, such as exudative tonsillitis and suppurative otitis media, the doctor will use antibiotics according to the specific situation. If the child has a fever, it can be properly reduced under the guidance of a doctor, but do not use large doses of antipyretics to avoid sudden drop in body temperature and collapse. If the child's cough is serious and affects his diet and sleep, he can take cough medicine under the guidance of a doctor.

Cold taboo

In the early stage of cold, if it is warm evil, it is in the early stage of clearing away heat, and you should also avoid eating cold food. Once the heat goes away, you will stay strong and hot, and then you will be thirsty, irritable and constipated. At this time, you need fruit to help you. You can often take pear juice, orange juice, watermelon, rice soup and mung bean soup to avoid overeating cold and greasy products. Avoid eating duck, pork, mutton, dog meat, soft-shelled turtle, clams, vinegar, persimmons and other foods during a cold.