A patient hailing from Delhi presents with fever, arthralgia, and extensive petechial rash for 3 days. Lab investigations revealed a haemoglobin of 9 g/dL, a white blood cell count of 9000 cells/mm3, a platelet count of 20000 cells/mm3, and a prolonged bleeding time. The clotting time was normal. What is the most likely diagnosis?

Options

1. Dengue
2. Malaria
3. Scrub typhus
4. Typhoid

Correct Answer

Dengue

Explanation

The clinical presentation of fever, arthralgia, petechial rash, thrombocytopenia (platelet count of 20,000), and prolonged bleeding time with normal clotting time is characteristic of Dengue fever. The severe thrombocytopenia and bleeding manifestations are hallmark features of dengue infection.

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