Medical emergency? Call your local emergency number
First aid guides

Menu

Respiratory system conditions

Photomicrograph of a liver biopsy from a patient with alpha-1 antitrypsin deficiency Respiratory system

Alpha-1 antitrypsin deficiency

Non-infectious · Chronic

An inherited condition in which low levels of a protective protein lead to lung damage (emphysema) and sometimes liver disease.

6 min read
Anthrax PHIL Respiratory system

Anthrax

Infectious · Acute

A serious bacterial infection caused by Bacillus anthracis, caught mainly from infected animals or animal products.

5 min read
This fibrous plaque on the diaphragmatic pleura has a verrucous appearance Respiratory system

Asbestosis

Non-infectious · Chronic

A long-term lung disease caused by breathing in asbestos fibres, leading to scarring and stiffening of the lungs.

5 min read
Histopathologic image of pulmonary invasive aspergillosis in a patient with interstitial pneumonia Respiratory system

Aspergillosis

Infectious · Acute or chronic

A group of conditions caused by the Aspergillus mould, ranging from allergic reactions to serious lung infections in people with weak immunity.

6 min read
Asthma (Lungs) Respiratory system

Asthma attack (acute severe asthma)

Non-infectious · Acute

A sudden worsening of asthma in which the airways narrow severely, causing breathlessness, wheeze and difficulty speaking; it can be life-threatening.

6 min read
Atelectasis: image from Wikimedia Commons Respiratory system

Atelectasis

Non-infectious · Acute

Partial or complete collapse of part of the lung, often after surgery, a blockage in the airway or pressure on the lung.

5 min read
X-ray image showing infiltration of the human lungs by blastomycosis Respiratory system

Blastomycosis

Infectious · Acute or chronic

A fungal infection caught by breathing in spores from soil, usually affecting the lungs and sometimes spreading to the skin and bones.

5 min read