## MDT Classification and Regimen Selection The patient presents with features of **lepromatous leprosy (LL)** or **borderline lepromatous leprosy (BL)** based on high bacillary load (4+ on slit-skin smear). This is classified as **multibacillary (MB) leprosy**. ### WHO MDT Regimens for Multibacillary Leprosy | Regimen | Drugs | Duration | Frequency | Most Common | | --- | --- | --- | --- | --- | | **Standard MB-MDT** | Rifampicin + Dapsone + Clofazimine | 12 months | Monthly supervised + daily self-administered | **YES** | | ROM (Rifampicin-Ofloxacin-Minocycline) | Rifampicin + Ofloxacin + Minocycline | 12 months | Monthly supervised | Alternative for dapsone-intolerant | | Extended MB-MDT | Rifampicin + Dapsone + Clofazimine | 24 months | For BL with high bacillary load | Rare | | PB-MDT | Rifampicin + Dapsone | 6 months | For paucibacillary disease | Not applicable here | ### Key Point: **Rifampicin + Dapsone + Clofazimine for 12 months** is the standard, most commonly prescribed MDT regimen for MB leprosy in India and globally endorsed by WHO. ### High-Yield: - **Rifampicin**: Bactericidal; given monthly supervised (600 mg) - **Dapsone**: Bacteriostatic; given daily (100 mg) - **Clofazimine**: Weakly bacteriostatic; given daily (50 mg); causes brown-black skin discoloration (reversible over months) ### Clinical Pearl: The 12-month duration for MB-MDT is based on achieving **bacterial clearance** and **clinical improvement**. Patients are considered cured after completing the full course, regardless of residual lesions or sensory loss (which may persist due to nerve damage). ### Warning: ~~24-month regimens~~ are reserved only for borderline lepromatous cases with extremely high bacillary loads or those with treatment failure; they are NOT the most common choice. ROM is used only when dapsone is contraindicated (e.g., G6PD deficiency, severe allergy).
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