Black phlegm

Introduction is the garbage of the respiratory tract, which contains the mucus secreted by our own, sucking dust, smoke, bacteria, viruses, and exfoliated cells, necrotic tissue, blood cells, and purulent substances in the respiratory tract and lungs. Black cockroaches are long-lived cockroaches. When the corners of the lungs fail to be discharged in time, they will turn black. With the living environment around us, especially the air quality is getting worse and worse, after many dusts are inhaled into the respiratory tract, ordinary people also There will be a phenomenon of spit.

Cause

It may be dust, smoke, bacteria, viruses, and exfoliated cells, necrotic tissue, blood cells, and purulent substances in the respiratory tract and lungs.

an examination

Related inspection

Thoracic plain chest perspective sputum microscopy

Take a chest radiograph and sputum check to determine the cause.

Differential diagnosis

The causes of black sputum are various and should be identified.

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