Robert L. Cowie MB ChB MD MSc FCP(SA) MFOM


Sputum Culture

Sputum is a thick fluid made in the lungs and in the airways leading to the lungs. A sputum culture is a test to find germs (such as bacteria or a fungus ) that can cause an infection. A sample of sputum is added to a substance that promotes the growth of germs. If no germs grow, the culture is negative. If germs that…

Bacterial Infection

A bacterial infection is an infection caused by bacteria. Bacterial infections can often be treated successfully with antibiotics. An infection may begin as a bacterial infection. Or a bacterial infection may follow a viral infection that does not get better. When a viral infection doesn’t get better for 10 days or…

Respiratory system

The upper respiratory tract (upper airway) consists of the nose, mouth, sinuses, pharynx (upper section of the throat), and voice box (larynx). The lower respiratory tract consists of the windpipe (trachea), bronchial tubes, and lungs. The bronchial tubes carry air into the lungs and branch into smaller and smaller…

Sputum Culture

Sputum is a thick fluid made in the lungs and in the airways leading to the lungs. A sputum culture is a test to find germs (such as bacteria or a fungus ) that can cause an infection. A sample of sputum is added to a substance that promotes the growth of germs. If no germs grow, the culture is negative. If germs that…

Bacterial Infection

A bacterial infection is an infection caused by bacteria. Bacterial infections can often be treated successfully with antibiotics. An infection may begin as a bacterial infection. Or a bacterial infection may follow a viral infection that does not get better. When a viral infection doesn’t get better for 10 days or…