What is the immune restoration syndrome? Immune restoration syndrome (IRS) is also known as immune reconstitution syndrome, immune reactivation syndrome, and immune reconstitution inflammatory syndrome. It consists of the paradoxical recrudescence of quiescent disease or the appearance of new internal and cutaneous diseases that are temporally associated within weeks to months of HAART initiation. New or recurrent skin disease may consist of initial or recurrent herpes zoster, eosinophilic folliculitis, erythema nodosum with pulmonary sarcoidosis with or without cutaneous sarcoidosis, extensive cytomegalovirus ulceration, reactions to prior tattoos, disseminated cutaneous M. avium complex infection, alopecia universalis and Graves’ disease, and leprosy complicated by type 1 reactional state. The IRS is attributed to the immunologic recovery produced by HAART, with restoration of pathogen-specific immunity. Hirsch HH, Kaufmann G, Sendi P, et al: Immune reconstitution in HIV-infected patients, CID 38:1159–1166, 2004. |
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