Key points
1 in 4: About one in four people infected with dengue will get sick.
For people who get sick with dengue, symptoms can be mild or severe.
Severe dengue can be life-threatening within a few hours and often requires care at a hospital.
Symptoms
The most common symptom of dengue is fever with any of the following:
Aches and pains (eye pain, typically behind the eyes, muscle, joint, or bone pain)
Nausea, vomiting
Rash
Any warning sign
Common symptoms of dengue.
Mild symptoms of dengue can be confused with other illnesses that cause fever.
Symptoms of dengue typically last 2–7 days.
Most people will recover after about a week.
When to seek emergency help
Symptoms of dengue can become severe within a few hours. Severe dengue is a medical emergency.
About 1 in 20 people who get sick with dengue will develop severe dengue. Severe dengue can result in shock, internal bleeding, and death.
Immediately go to a local clinic or emergency room if you or a family member has any of the following symptoms:
Belly pain or tenderness
Vomiting (at least 3 times in 24 hours)
Bleeding from the nose or gums
Vomiting blood, or blood in the stool
Feeling extremely tired or restless
Warning Signs
Watch for warning of severe dengue. Warning signs usually begin in the 24–48 hours after fever has gone away.
Testing
See your healthcare provider if you have symptoms of dengue and live in or have recently traveled to an area with risk of dengue.
A blood test is the only way to confirm the diagnosis.
Laboratory confirmation is not required to manage illness from dengue, and your healthcare provider might provide care based on your signs and symptoms.
Your healthcare provider may order blood tests to look for dengue or other similar viruses like Zika or chikungunya.
Source: www.cdc.gov
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