What type of hypersensitivity reaction is extrinsic allergic alveolitis?

Hypersensitivity pneumonitis (HP) or extrinsic allergic alveolitis (EAA) is a rare immune system disorder that affects the lungs….

Is alveolitis serious?

Serious, potentially fatal pulmonary toxicity (alveolitis, pulmonary fibrosis, pneumonitis, acute respiratory distress syndrome) may begin with progressive dyspnea and cough with crackles, decreased breath sounds, pleurisy, CHF, or hepatotoxicity.

Is hypersensitivity pneumonitis the same as extrinsic allergic alveolitis?

What is hypersensitivity pneumonitis? The term hypersensitivity pneumonitis (also known as extrinsic allergic alveolitis) refers to a group of lung diseases in which your lungs become inflamed as an allergic reaction resulting from exposure to dusts of animal and vegetable origin.

How is alveolitis diagnosed?

(See ‘Diagnosis’ below.) Bronchoalveolar lavage — Bronchoalveolar lavage (BAL) is the most sensitive tool to detect an alveolitis in patients suspected of having HP, but is not always necessary, particularly in patients with a convincing exposure history and typical high resolution computed tomography (HRCT) findings.

What are the symptoms of extrinsic allergic alveolitis?

General Discussion. Extrinsic allergic alveolitis is a lung disorder resulting from repeated inhalation of organic dust, usually in a specific occupational setting. In the acute form, respiratory symptoms and fever begin several hours after exposure to the dust. The chronic form is characterized by gradual changes in the lung tissue associated…

Can a person with lupus have an allergy reaction?

This can be problematic for people with lupus because lupus is an autoimmune disease. The body of a person with lupus already struggles to discern foreign invaders from healthy tissues. Additionally, the symptoms between the two can be similar. Allergic reactions range from mild, like rashes or hives, to incredibly serious, like anaphylactic shock.

When do the symptoms of alveolitis start?

In the acute form, respiratory symptoms and fever begin several hours after exposure to the dust. The chronic form is characterized by gradual changes in the lung tissue associated with several years of exposure to the irritant.

What does hypersensitivity alveolitis mean in medical terms?

The term hypersensitivity pneumonitis (also known as extrinsic allergic alveolitis) refers to a group of lung diseases in which your lungs become inflamed as an allergic reaction resulting from exposure to dusts of animal and vegetable origin. The name “extrinsic allergic alveolitis”, although complicated,…