Fifth disease (human parvovirus B19) is a common illness in children. Symptoms and signs include fever, sore throat, headache, and a rash as if the face has been slapped. Treatment is geared toward alleviating symptoms by drinking a lot of fluids, taking acetaminophen, and taking hygiene measures to avoid spreading the virus.
Fever in Children Fever is defined as a rectal temperature over 100.4 F or 38 C. Fever isn't life-threatening unless it is persistently high - greater than a 107 F rectal temperature. Fever is usually caused by an infection. Treatment focuses on controlling the temperature, preventing dehydration, and monitoring for serious illness.