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Yes — leprosy reactions can occur in the final month of multidrug therapy (MDT).
⚕️ What this likely is
- Most likely a leprosy reaction: either type 1 (reversal reaction) or type 2 — erythema nodosum leprosum (ENL); these immune reactions often happen when bacteria are dying during treatment, including late in MDT.
⚕️ Possible causes now
- Type 1 (reversal): inflammation of existing skin lesions and nerves, often with increased nerve pain or tenderness.
- Type 2 (ENL): painful red nodules, fever or systemic symptoms.
- Less likely: a medication side-effect or another infection mimicking a reaction.
🏥 What to do now (short actionable steps)
- Continue MDT exactly as prescribed unless your treating doctor advises otherwise.
- Contact your treating dermatologist or leprologist promptly for assessment and nerve exam.
- If you have nerve pain, numbness, weakness, eye symptoms, high fever, or many painful nodules, ask the doctor about starting anti-inflammatory treatment (often systemic corticosteroids).
- Photograph lesions and note onset/timing to share with your doctor.
⚠️ Warning signs — seek urgent care
- New or worsening numbness or weakness in hands/feet.
- Eye pain or vision changes.
- High fever or rapidly spreading painful nodules with feeling unwell.
🩺 FOLLOW_UP
- Please tell your doctor whether you have new nerve pain/weakness, fever, or new tender nodules, and inform them this is your final month of MDT.
If you want, I can explain the differences between type 1 and type 2 reactions and typical treatments in more detail.
Always consult your treating dermatologist (or leprologist) promptly for personalised care.