Secondary immunodeficiency

Definition

Secondary immunodeficiency is an acquired condition resulting from external factors that impair the immune system. It differs from primary immunodeficiency, which is genetic.

5 Must Know Facts For Your Next Test

1. Secondary immunodeficiency can result from infections such as HIV, malnutrition, or chemotherapy.
2. Unlike primary immunodeficiencies, secondary types are not inherited but acquired during life.
3. Patients with secondary immunodeficiency are more susceptible to infections and may require specific treatments to manage their immune function.
4. Common signs include recurrent infections, slow recovery, and severe illness from common pathogens.
5. Diagnosis often includes a detailed medical history, physical examination, and various laboratory tests to identify underlying causes.

Review Questions

Related terms

Primary Immunodeficiency: A genetic disorder where part of the body's immune system is missing or functions improperly.

HIV/AIDS:

A virus that attacks and weakens the immune system, leading to acquired immune deficiency syndrome (AIDS).

Autoimmune Disease: A condition where the immune system mistakenly attacks healthy body tissues.