$A$ non-infectious,unnatural,and unusual reaction of a person to any substance or condition for which they are hypersensitive is termed as:

Which type of chemicals secreted from mast cells cause allergies?

Agents which produce allergy are known as:

$A$ person shows strong unusual hypersensitive reactions when exposed to certain substances present in the air. Identify the condition. Name the cells responsible for such reactions. What precaution should be taken to avoid such reactions?

Antihistamines and steroids are administered to treat which of the following?

Hypersensitivity to an allergen is associated with ................