Skip to main content

Table 1 WHO clinical staging of HIV disease

From: Predictors of antiretroviral treatment failure to the first line therapy: a cross-sectional study among Iranian HIV-positive adults

Stage

Symptoms

Clinical Stage 1

Asymptomatic

Persistent generalized lymphadenopathy

Clinical Stage 2

Moderate unexplained weight loss (< 10% of presumed or measured body weight)

Recurrent respiratory tract infections (sinusitis, tonsillitis, otitis media, pharyngitis)

Herpes zoster (in the last five years)

Angular cheilitis

Recurrent oral ulceration

Popular pruritic eruption

Fungal nail infections

Seborrheic dermatitis

Clinical Stage 3

Unexplained severe weight loss (> 10% of presumed or measured body weight)

Unexplained chronic diarrhea for longer than one month

Unexplained persistent fever (intermittent or constant for longer than one month)

Persistent oral candidiasis (now or in the last two years)

Oral hairy leukoplakia

Pulmonary tuberculosis (now or in the last two years)

Severe bacterial infections (such as pneumonia, empyema, pyomyositis, bone or joint infection, meningitis, bacteremia)

Acute necrotizing ulcerative stomatitis, gingivitis, or periodontitis

Unexplained anemia (< 8 g/dl), neutropenia (< 0.5 × 109/L) and/or chronic thrombocytopenia (< 50 × 109/L)

Clinical Stage 4

HIV wasting syndrome

Pneumocystis (jirovecii) pneumonia

Recurrent severe bacterial pneumonia

Chronic herpes simplex infection (orolabial, genital, or anorectal of more than one month in duration or visceral at any site)

Esophageal candidiasis (or candidiasis of the trachea, bronchi, or lungs)

Extrapulmonary tuberculosis

Kaposi sarcoma

Cytomegalovirus infection (retinitis or infection of other organs)

Central nervous system toxoplasmosis

HIV encephalopathy

Extrapulmonary cryptococcosis, including meningitis

Disseminated nontuberculous mycobacterial infection

Progressive multifocal leukoencephalopathy (PML)

Chronic cryptosporidiosis

Chronic isosporiasis

Disseminated mycosis (extrapulmonary histoplasmosis, coccidioidomycosis)

Lymphoma (cerebral or B-cell non-Hodgkin)

Symptomatic HIV-associated nephropathy or cardiomyopathy

Recurrent septicemia (including nontyphoidal Salmonella)

Invasive cervical carcinoma

Atypical disseminated leishmaniasis