No specific treatment for dengue fever exists. drink plenty of fluids to avoid dehydration from vomiting and high fever. Acetaminophen  can alleviate pain and reduce fever. Avoid pain relievers that can increase bleeding complications — such as aspirin, If you have severe dengue fever, you may need: Supportive care in a hospital Intravenous (IV) fluid and electrolyte replacement Blood pressure monitoring Transfusion to replace blood loss...