Cough and expectoration;
Fever (body temperature >; 38℃);
Dyspnea;
Feel pain when taking a deep breath;
The heart beats faster;
Shiver with cold
If you think you have pneumonia, you should see a doctor, especially in the following cases, you must see a doctor as soon as possible:
Cough continues to worsen;
Difficulty in breathing during daily activities or rest;
Feel chest pain when breathing;
After the cold or flu gets better, the condition suddenly worsens;
Weak immune system (such as HIV infection, organ or stem cell transplantation, use of drugs that can inhibit the immune system);
Suffering from serious lung diseases (such as chronic obstructive pulmonary disease or emphysema);
65 years old and above