She asked Xiao Ai: "I cough so much that it feels like my lungs are about to come out. Is it really okay? I heard that long-term coughing can easily turn into pharyngitis and throat cancer. Isn't that true?"

Coughing after turning negative is a normal phenomenon, but Niu Hongtao emphasized that you should go to the hospital if you cough up blood, worsen the cough at night, cough up a large amount of yellow purulent sputum, have a fever again, have chest tightness, shortness of breath, difficulty breathing, etc., as well as have edema in the lower limbs or cough for more than 3 weeks.

It is worth noting that you cannot hold in your cough. Feng Yingkai, chief physician of the Respiratory Department of Chengdu BOE Hospital, pointed out that long-term suppressed coughing may cause intrathoracic and intracranial pressure to increase, leading to syncope, which can be life-threatening in severe cases.

At the same time, do not cough hard at the throat. Coughing too hard can cause throat swelling and pain, hoarseness, and even blood vessel rupture, embolism, or hemangioma rupture.

The correct approach is to drink more water, get more rest, and relieve cough symptoms through diet therapy, drug treatment and other methods. When you have a severe cough, you can use two pillows to raise your head and back from high to low when sleeping, which is helpful for smooth breathing and coughing and phlegm discharge.

2. Pay attention to 5 types of abnormal cough, which may contain cancer signals. Chang Chun, chief physician of the Respiratory Department of Peking University Third Hospital, said that the cause of chronic cough needs to be considered to be caused by tumors. Many cancer patients have no specific symptoms at first, and sometimes they may only have a slight cough. At this time, they are easily ignored or underestimated. When the disease progresses and the tumors invade the airway mucosa and blood vessels, they will cough up blood, hoarseness, and even venous distension, which can easily delay the opportunity for treatment.

Cancers such as lung cancer, larynx cancer, and esophageal cancer may cause abnormal coughs, so you must be vigilant about persistent coughs of unknown origin. Taking lung cancer as an example, the following five abnormal coughs need attention:

, Coughing for more than 3 months , especially middle-aged and elderly people with smoking habits. Such people should go to the hospital for lung CT examination in time to be alert for malignant lesions in the lungs.

, recurrent irritating dry cough . Before each cough, you can feel something irritating or inducing a severe dry cough.

, cough and hoarseness . Lung cancer can easily metastasize to mediastinal lymph nodes. Hoarseness will occur if the enlarged lymph nodes compress the nerves. If you have this symptom, you should seek medical examination in time.

, There is blood in the sputum, which is sometimes mild and sometimes severe.In the early stages of lung cancer, cancer cells will slowly erode and destroy surrounding blood vessels, causing blood streaks to appear in sputum.

, cough and low fever, weight loss . If you have repeated, irregular low-grade fever during coughing and sudden weight loss, you need to be alert to lung cancer and get checked out in time.

3. Will coughing cause pneumonia ?

Many people are worried that if they keep coughing after turning from yang to yin, will it affect their lungs? Will long-term coughing after turning negative cause pneumonia?

First of all, cough and pneumonia are two different concepts. Pneumonia is a disease, while cough is a symptom. There are many causes of cough. Coughing itself does not cause pneumonia. When virus or bacteria infect the upper respiratory tract but does not affect the lower respiratory tract, cough symptoms will occur. And when the respiratory tract is infected, it may develop into pneumonia, and coughing is also one of the symptoms of pneumonia.

Cough symptoms after turning negative can recover within 2-8 weeks, so there is no need to worry too much. If the cough is uncomfortable, the symptoms can be relieved by the following methods:

. Use antitussive drugs under the guidance of a doctor, such as Asmeta, dextromethorphan, Huifeining, etc.

, If the sputum turns from white to yellow, be alert to viral infection and bacterial infection . Patients who do not need medication urgently can use penicillins and cephalosporins for antibacterial treatment.

. Appropriately use corn silk orange peel water, fig rock sugar water and other dietary therapy methods to relieve symptoms.

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