What are the symptoms of dengue fever?

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What are the symptoms of dengue fever?

Most dengue infections don’t cause symptoms. If you do have symptoms, high fever (104°F/40°C) is typical, along with:

  • Rash.
  • Intense pain behind your eyes.
  • Nausea or vomiting.
  • Muscle, bone and joint pain.

Dengue fever symptoms start to appear four to 10 days after a mosquito bite and can last three to seven days. About 1 in 20 people sick with dengue will develop severe dengue after their initial symptoms begin to fade.

Severe dengue (dengue hemorrhagic fever)

Severe dengue is a life-threatening worsening of dengue symptoms. Warning signs of severe dengue are usually seen 24 to 48 hours after your fever goes away.

Severe dengue is a medical emergency that can be fatal. If you have dengue or live in an area where dengue is common, go to the nearest ER immediately if you experience any of these symptoms:

  • Stomach/abdominal pain.
  • Frequent vomiting.
  • Throwing up blood or blood in your poop (stool).
  • Nose bleeds or bleeding gums.
  • Extreme tiredness, restlessness or irritability.

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