In this article we will discuss about the types and mechanism of allergic reactions. Types of Allergic (hypersensitivity) Reactions: Allergic or hypersensitivity reactions are classified in different ways. It may be humoral or cellular types. The antibody responsible for allergic reactions mainly belongs to IgE isotypes, but IgG isotype also involve in non-IgE mediated allergy like, classical "serum sickness". It [...]
In this article we will discuss about aeropalynological survey in India and in abroad. 1. Aeropalynological Survey In Abroad: Systematic aeropalynological survey is carried out in various parts of the world. A list of scientists is given below (Table 10.3) who extensively surveyed the airborne allergic pollen in atmosphere. The distributional pattern of the atmospheric pollen grains with their peak [...]
The following points highlight the four main types of diagnoses of allergy. The types are: 1. Case History 2. Skin Testing 3. Provocation Test 4. Diagnosis of Allergy based on Total and Specific IgE Determinations. Type # 1. Case History: The case history holds a central position in allergy investigations. In order to get a comprehensive idea about the source [...]