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Fever: First aid

When to seek emergency care

For a baby who's less than 3 months old and has a fever, get medical help right away.

Also, seek emergency medical care for a child who has any of these symptoms after being left in a hot car. These may be symptoms of a heat-related illness.

  • Fever with no sweating or heavy sweating.
  • Bad headache.
  • Seizures.
  • Stiff neck.
  • Confusion.
  • Repeated vomiting or diarrhea.
  • Being irritable.
  • Any symptoms that worry you.