## Immediate Management of Advanced HIV with Low CD4 Count **Key Point:** In a newly diagnosed HIV patient with CD4 <200 cells/µL and active opportunistic infection (oral candidiasis), ART should be initiated **immediately** — within 2 weeks of diagnosis, ideally within 7–14 days. **High-Yield:** Current WHO and Indian NACO guidelines recommend: - **Urgent ART initiation** (within 2 weeks) for CD4 <50 cells/µL - **Early ART initiation** (within 2 weeks) for CD4 50–200 cells/µL with active OI - **Simultaneous OI prophylaxis** (e.g., fluconazole for candidiasis, TMP-SMX for PCP prophylaxis) **Clinical Pearl:** Delaying ART in advanced immunosuppression increases mortality risk. The presence of oral candidiasis (CD4 <200) is an indication for **immediate** therapy, not deferral. ### Rationale for Immediate ART + Prophylaxis | Intervention | Timing | Rationale | |---|---|---| | **ART initiation** | Immediate (within 2 weeks) | Reduces viral load, restores CD4 count, prevents further OI | | **OI prophylaxis** | Concurrent with ART | Prevents PCP, toxoplasmosis, CMV, MAC while CD4 recovers | | **Resistance testing** | Can be done at baseline or during ART | Not a prerequisite for starting therapy | | **IRIS counselling** | Before ART, but not a reason to delay | Educate on immune reconstitution risks | **Mnemonic:** **IRIS-SAFE** = Immune Reconstitution Inflammatory Syndrome occurs **after** CD4 recovery (usually >100 cells/µL rise), not before ART. Delaying ART to avoid IRIS is counterproductive. ### Prophylaxis Regimen at CD4 <200 1. **Candidiasis prophylaxis:** Fluconazole 200 mg daily (if active oral candidiasis, treat with higher dose first) 2. **PCP prophylaxis:** TMP-SMX DS daily (also covers toxoplasmosis if CD4 <100) 3. **MAC prophylaxis:** Azithromycin 1200 mg weekly (if CD4 <50) [cite:Harrison 21e Ch 197]
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