The Comparative Efficacy of Standard Treatment Plus Ribavirin vs Standard Treatment Alone in Preventing Clinically Significant Hemorrhage in Patients With Dengue Fever

Inclusion Criteria: * Male and female patients aged 18 years and above. * Hospitalized patients diagnosed with dengue fever, confirmed via: * Positive Dengue NS1 antigen test * Dengue IgM antibodies * Dengue RNA PCR. * Patients presenting with various severities of illness, as classified by the WHO dengue severity classification. Exclusion Criteria: * Patients taking antiplatelet or anticoagulant medications. * Patients with known bleeding disorders (e.g., hemophilia, von Willebrand disease, end-stage renal disease, or liver cirrhosis). * Patients with HIV undergoing antiviral therapy. * Pregnant women. * Patients with hypersensitivity to Ribavirin. * Patients with WHO Grade 1 bleeding (few petechiae without clinical significance).