Yellow Fever Symptoms

Serious Symptoms

In more severe cases, there can be three stages of symptoms.
Stage 1
In the first stage, the symptoms begin with:
  • High fever (up to 104 degrees)
  • Headache
  • Dizziness
  • Seizures, especially in children
  • Pain in the neck, back, and legs
  • Nausea
  • Vomiting
  • Red eyes
  • Bloody nose and/or gums.
Stage 2
Three or so days after the symptoms start, the fever and other symptoms may get better. This begins the second stage of yellow fever. In some cases, new symptoms begin to appear during this stage, including:
  • Bleeding
  • Confusion
  • Anuria (a complete stop in the production of urine).
The second stage of yellow fever symptoms typically lasts from several hours to a couple of days. This stage is known as the remission stage. While most people recover from yellow fever at this point, some may progress to Stage 3.
Stage 3
In the third stage, the fever returns and the person's heart rate slows down. Other symptoms that may occur in this stage include:
  • Jaundice (yellowing of the skin and eyes)
  • Continued nose bleeds
  • Blood in the stool
  • Vaginal bleeding
  • Vomiting blood
  • Problems in the liver, kidneys, lungs, or other organs -- possibly leading to organ failure.
About half the people who enter this stage will die within 10 to 14 days; the other half recover. Shortly before death, the person can become very confused and extremely agitated. In severe cases, the person will go into a coma two to three days before they pass away.

Information on Yellow Fever

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