Symptoms Of Dengue Hemorrhagic Fever . Dengue hemorrhagic fever is a more severe form of the viral illness. The goal of treatment is to manage symptoms and keep the infection from becoming more severe. DENGUE HEMORRHAGIC FEVER (Genevieve Henderson) DHF is a vascular leak syndrome and is primarily a disease of children under In severe cases of DHF and DSS, fever and nonspecific constitutional signs and symptoms of a few days' duration are followed by the sudden. One third of patients may have a clinical picture very similar to a stronger flu, which In the hemorrhagic dengue fever in the final usually marks the beginning of complications. Dengue hemorrhagic fever is a life-threatening emergency. At first, symptoms of DHF may be mild, but they gradually worsen within a few days. These include dengue hemorrhagic fever, a rare complication characterized by high fever, damage to lymph and blood. Dengue hemorrhagic feve...