What causes blood in cough sputum? The triggering factors are these five

Viral infection, bacterial infection, environmental factors and seasonal factors are all reasons for coughing up blood in sputum. Therefore, once this phenomenon occurs, everyone must find the cause and prescribe the right medicine.

1. Viral infection is partly caused by viral infection, such as Coxsackie virus, adenovirus, parainfluenza virus, etc., which are all causes of viral infection.

2. Bacterial infection Patients with blood in sputum must pay attention. The cause of your illness is likely to be bacterial infection, such as streptococci, staphylococci and pneumococcus, among which group A group B streptococcus infection is the most serious and can lead to purulent lesions in distant organs, which is called acute septic pharyngitis. If the cough and blood in the sputum are caused by bacterial infection, you should go to the hospital for treatment as soon as possible to prevent it from further developing.

3. Environmental factors Environmental factors are also the reason for coughing up blood in sputum, such as high temperature, dust, smoke, irritating gases, etc. These adverse environments will irritate our throat, causing severe coughing and blood in sputum. This situation is not serious and can be stopped by properly changing the environment.

4. Pathogenic microorganisms Pathogenic microorganisms include bacteria, viruses, spirochetes, rickettsia, etc., which can cause acute pharyngitis and other diseases in our body. Pathogenic microorganisms can come directly from the air and diet, or indirectly from the blood circulation and lymphatic circulation.

5. Climate and seasonal factors Winter is the season when bronchial and asthma diseases are prevalent and relapse for many people. This is because the cold weather causes the blood vessels in the pharyngeal mucosa to contract, and the number of phagocytes decreases, thereby reducing local resistance. Moreover, the dry climate in winter will affect the secretion of pharyngeal mucus and ciliary motility, reduce the cleaning and humidifying effects of the air, and directly cause irritation and damage to the pharyngeal mucosa.