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Syndrome reference sheet
Generated 12 Oct 2026
Infectious Disease · Infectious disease / Viral infections

Immune reconstitution inflammatory syndrome

Also known as: IRIS

Paradoxical worsening of infection after starting antiretroviral therapy.

Medical specialty
Infectious Disease
Subspecialty
Infectious disease / Viral infections
Sex & age distribution
Male: affected; Female: affected; Children: yes
Gene(s) involved
HLA-B44, IL6

Etiology & mechanism

Restored immune response against pathogens.

Gene(s) involved (2)

HLA-B44IL6

Symptoms & signs (3)

feverparadoxical worsening of tb or cryptococcosisworsening lymphadenopathy
SyndromeScope — educational reference. Content is model-generated and not clinically verified; always confirm against OMIM, Orphanet and GeneReviews before clinical use.