In the first few months of a baby's life, any rash associated with other symptoms (such as fever, poor feeding, lethargy, or cough) needs to be evaluated by a doctor as soon as possible.Do babies get a rash after a fever?
Roseola is the most common infection to cause a rash after a fever. Roseola is a viral infection. This is a common infection for infants and toddlers. It usually causes a high fever that goes up and down for 3 days.Why do you get a rash after a fever?
Several common childhood illnesses, including roseola and scarlet fever, can cause a rash to develop after the fever passes. A fever is not a disease but a sign that the body’s immune system is fighting an infection. The body raises its core temperature to fight off the invading bacteria or viruses.