Here is a summary of the treatment plan for the index case:
- Admit the patient and start IV antibiotics like ampicillin and gentamicin to treat pneumonia. Also give nebulization with asthalin.
- Provide supportive care including IV fluids, oxygen supplementation if needed, antipyretics and physiotherapy.
- Once pneumonia is treated and symptoms improve, discharge the patient with oral antibiotics like cotrimoxazole for a total course of 10-14 days.
- Monitor the patient regularly as per guidelines for Down syndrome for any associated health issues and provide appropriate long term care and supervision.