Desensitization

Definition

Desensitization is a treatment method aimed at reducing or eliminating an allergic response to a specific allergen by gradually increasing exposure to it. This process helps the immune system build tolerance and prevent severe hypersensitivity reactions.

5 Must Know Facts For Your Next Test

1. Desensitization involves administering gradually increasing doses of an allergen to an individual over time.
2. It is commonly used for treating allergies such as those to pollen, insect stings, and certain foods.
3. The goal of desensitization is to shift the immune response from IgE-mediated reactions to a more regulatory or IgG-mediated response.
4. This treatment can take several months to years and requires consistent monitoring by healthcare professionals.
5. Desensitization may also be referred to as immunotherapy in clinical settings.

Review Questions

• What is the primary goal of desensitization in treating allergies?
• How does desensitization alter the immune response to allergens?
• What types of allergies can be treated using desensitization?

Related terms

Allergen: A substance that causes an allergic reaction in susceptible individuals.

IgE (Immunoglobulin E): An antibody type involved in allergic reactions and defense against parasitic infections.

Immunotherapy:

A broader term encompassing various treatments that modify the immune system's response, including allergy desensitization.