Secondary infection

Definition

A secondary infection is an infection that occurs during or after treatment for a primary infection. It may result from the weakened immune system caused by the primary infection.

5 Must Know Facts For Your Next Test

1. Secondary infections often arise because the primary infection has compromised the host's immune defenses.
2. Common examples of secondary infections include bacterial pneumonia following influenza and fungal infections following antibiotic use.
3. They can be caused by different pathogens than those responsible for the primary infection.
4. Secondary infections may complicate and prolong recovery from the primary illness.
5. Proper management of primary infections and monitoring of symptoms are crucial to prevent secondary infections.

Related terms

Primary Infection: The initial infection caused by a pathogen, which can compromise the host's immune system.

Opportunistic Pathogen: A microorganism that causes disease primarily in individuals with weakened immune systems.

Immunocompromised Host:

An individual whose immune system is weakened or deficient, making them more susceptible to infections.