## Clinical Context This patient presents with acute HIV infection (fever, rash, myalgia within 4 weeks of exposure) complicated by advanced immunosuppression (CD4 180 cells/μL) and an AIDS-defining illness (oral candidiasis). ## Management Principle **Key Point:** In a newly diagnosed HIV patient with CD4 <200 cells/μL and active OI, ART should be initiated **immediately** after baseline investigations are completed — not delayed for additional testing or specialist referral. **High-Yield:** Current WHO and Indian NACO guidelines recommend: - Start ART within **2 weeks** of diagnosis in all patients - In CD4 <50 cells/μL or active TB/OI: start ART **within 2 weeks**, ideally **within 2 days** for TB/cryptococcal meningitis - Baseline CD4, viral load, and resistance testing should be done **before** ART initiation, but should NOT delay therapy ## Rationale for Correct Answer 1. **Baseline investigations** (CD4, viral load, resistance testing) are already done or in progress 2. **OI prophylaxis** (e.g., fluconazole for candidiasis, TMP-SMX for PCP) should start immediately alongside ART 3. **Early ART initiation** reduces mortality, prevents further immune decline, and prevents transmission 4. **Delaying ART** for specialist referral or additional testing increases risk of opportunistic infections and death **Clinical Pearl:** The presence of oral candidiasis (CD4 <100) is an indication for **immediate** ART, not a reason to delay it. Immune reconstitution inflammatory syndrome (IRIS) is a risk, but early ART initiation saves lives. ## Timeline Summary | Scenario | ART Start Timing | |---|---| | CD4 >200, asymptomatic | Within 2 weeks | | CD4 <200, no active OI | Within 2 weeks | | CD4 <200 + active OI (candidiasis, PCP) | Within 2 days–2 weeks | | TB-HIV coinfection | Within 2 weeks (ideally 2 days for TB meningitis) | | Cryptococcal meningitis | Within 2 weeks (delay if CNS disease) | [cite:Harrison 21e Ch 197]
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