Symptoms:

Dengue fever begins with a sudden high fever, often as high as 104 - 105 degrees Fahrenheit.

A flat, red rash may appear over most of the body 2 - 5 days after the fever starts. A second rash, which looks like the measles, appears later in the disease. Infected people may have increased skin sensitivity and are very uncomfortable.

Other symptoms include:

• Headache (especially behind the eyes)
• Fatigue
• Joint aches
• Muscle aches
• Nausea
• Swollen lymph nodes
• Vomiting

Signs and tests:

Tests that may be done to diagnose this condition include:

• Antibody titer for dengue virus types
• Complete blood count (CBC)
• Serology studies to look for antibodies to dengue viruses