Type I hypersensitivity (or immediate hypersensitivity), in the Gell and Coombs classification of allergic reactions, is an allergic reaction provoked...

a hypersensitivity immune reaction causing inflammation of the airspaces (alveoli) and small airways (bronchioles) within the lung. Hypersensitivity pneumonitis...

always have a respiratory component; severe reactions can be life threatening. The symptoms of NSAID-induced reactions are hypersensitivity reactions rather...

and nail clubbing. Complications may include pulmonary hypertension, respiratory failure, pneumothorax, and lung cancer. Causes include environmental...

Respiratory failure results from inadequate gas exchange by the respiratory system, meaning that the arterial oxygen, carbon dioxide, or both cannot be...

specialty that deals with diseases involving the respiratory tract. It is also known as respirology, respiratory medicine, or chest medicine in some countries...

Lower respiratory tract infection (LRTI) is a term often used as a synonym for pneumonia but can also be applied to other types of infection including...

of the hypersensitivity pneumonitis. Pneumonitis can be separated into several distinct categories based upon causative agent. Hypersensitivity Pneumonitis...

An upper respiratory tract infection (URTI) is an illness caused by an acute infection, which involves the upper respiratory tract, including the nose...

important, as it differentiated those more likely to present with "typical" respiratory symptoms and lobar pneumonia from those more likely to present with "atypical"...

Respiratory diseases, or lung diseases, are pathological conditions affecting the organs and tissues that make gas exchange difficult in air-breathing...

caused by S. pneumoniae. This clinically presents with an initial mild respiratory infection, followed by fever. On imaging it presents an opaque pulmonary...

metastasis, tuberculosis, a foreign bodies, immunosuppression, and hypersensitivity should be suspected. Prevention includes vaccination, environmental...

The respiratory system (also respiratory apparatus, ventilatory system) is a biological system which consists of specific organs and structures used for...

Farmer's lung (not to be confused with silo-filler's disease) is a hypersensitivity pneumonitis induced by the inhalation of biologic dusts coming from...

diseases (primarily rheumatoid arthritis), drug toxicity, chronic hypersensitivity pneumonitis, asbestosis and Hermansky–Pudlak syndrome. UIP may be diagnosed...

Acute respiratory distress syndrome (ARDS) is a type of respiratory failure characterized by rapid onset of widespread inflammation in the lungs. Symptoms...

inhalation injury, interstitial lung diseases (such as pneumoconiosis, hypersensitivity pneumonitis, lung fibrosis), infections, lung cancer and mesothelioma...

such as rheumatoid arthritis. Hypersensitivity pneumonitis due to an allergic reaction to inhaled particles. Acute respiratory distress syndrome (ARDS), a...

Sarcoidosis Hypersensitivity pneumonitis Drug-induced lung disease Small nodules Acute: Hypersensitivity pneumonitis Chronic: Hypersensitivity pneumonitis...

known as aspirin-exacerbated respiratory disease, which consists of asthma and chronic nasal polyps along with a hypersensitivity reaction to aspirin. The...

differential diagnosis includes idiopathic pulmonary fibrosis (IPF), hypersensitivity pneumonitis, sarcoidosis, and others. The presence of pleural plaques...

symptoms such as primary atypical pneumonia, tracheobronchitis, and upper respiratory tract disease. Primary atypical pneumonia is one of the most severe types...

Database and of the CDC Multiple Cause of Death database". The Lancet. Respiratory Medicine. 9 (1): 33–42. doi:10.1016/S2213-2600(20)30417-3. PMC 7550106...

relatively rapid onset. Complications may include lung abscess, acute respiratory distress syndrome, empyema, and parapneumonic effusion. Some include...

include: Coccidioidomycosis, which begins with an often self-limited respiratory infection (also called "Valley fever" or "San Joaquin fever") Pneumocystis...

fancier's lung (BFL), also known as bird breeder's lung, is a type of hypersensitivity pneumonitis. It can cause shortness of breath, fever, dry cough, chest...

beryllium disease is a predisposition that lies between "allergic hypersensitivity and autoimmunity." According to the International Agency for Research...

touching the mouth, nose, or eyes. As with all respiratory pathogens once presumed to transmit via respiratory droplets, it is highly likely to be carried...

long-term respiratory symptoms and airflow limitation. GOLD 2024 defined COPD as a heterogeneous lung condition characterized by chronic respiratory symptoms...