Diagnosis

Roseola might be diagnosed based on the symptoms. The initial symptoms are similar to many other childhood illnesses, such as measles. A roseola rash often starts on the chest or back. A measles rash begins on the head.

Sometimes a blood test is done to confirm the diagnosis.


Treatment

There's no treatment for roseola. Most children recover within a week of the onset of the fever. With your health care provider's advice, consider giving your child nonprescription fever and pain medications made for infants or children as a safer alternative to aspirin. Examples include acetaminophen (Tylenol, others) and ibuprofen (Children's Advil, others).

Use caution when giving aspirin to children or teenagers. Though aspirin is approved for use in children older than age 3, children and teenagers recovering from chickenpox or flu-like symptoms should never take aspirin. This is because aspirin has been linked to Reye's syndrome, a rare but potentially life-threatening condition, in such children.

There's no specific treatment for roseola. Some health care providers may prescribe the antiviral drug ganciclovir for people who have weakened immune systems.


Self care

Like most viruses, roseola just needs to run its course. Once the fever subsides, your child will likely feel better soon. Roseola rash is harmless and clears up in 1 to 3 days. No creams or ointments are needed.

To treat your child's fever at home, your health care provider may recommend:

  • Plenty of rest. Let your child rest in bed until the fever goes away. Use lightweight clothing and covers.
  • Plenty of fluids. Offer your child clear fluids to drink to prevent dehydration. Examples are water, ginger ale, lemon-lime soda, clear broth, an electrolyte rehydration solution (Pedialyte, others) and sports drinks, such as Gatorade or Powerade. Remove the gas bubbles from carbonated fluids. You can do this by letting the bubbly drink stand or by shaking, pouring or stirring it. Removing the bubbles will help your child avoid the added discomfort of excess burping or intestinal gas.
  • Cool cloth or a sponge bath. Give your child a lukewarm sponge bath or apply a cool, damp cloth to the forehead. Doing this can soothe the discomfort of a fever.

Preparing for your appointment

Here's some information to help you get ready for your child's medical appointment.

Information to gather in advance

  • Symptom history. List any symptoms your child has had, and for how long.
  • Key medical information. Include any other health problems and the names of any medications your child is taking.
  • Recent exposure to possible sources of infection. List any possible sources of infection, such as other children who've had a high fever or a rash in the last few weeks.
  • Questions to ask. List your questions so that you can make the most of your time with your health care provider.

Questions to ask your health care provider about your child's condition include:

  • What is the most likely cause of my child's signs and symptoms?
  • Are there other possible causes?
  • What treatment do you recommend?
  • What nonprescription fever medications are safe for my child, if any?
  • What else can I do to help my child recover?
  • How soon before symptoms improve?
  • Is my child contagious? For how long?
  • How do we reduce the risk of infecting others?

What to expect from your doctor

Your health care provider may ask:

  • What are your child's signs and symptoms?
  • When did you notice these signs and symptoms?
  • Have your child's signs and symptoms gotten better or worse over time?
  • Have any children with whom your child interacts had a recent high fever or a rash?
  • Has your child had a fever? How high?
  • Has your child had diarrhea?
  • Has your child continued to eat and drink?
  • Have you tried any at-home treatments? Has anything helped?
  • Has your child recently had any other medical conditions?
  • Has your child recently taken any new medications?
  • Is your child in school or child care?
  • What else concerns you?

What you can do in the meantime

Before your appointment, encourage your child to rest and drink fluids. You may be able to ease fever-related discomfort with a lukewarm sponge bath or a cool cloth to the forehead. Ask your health care provider whether nonprescription fever medications are safe for your child.


Jun 29, 2022

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  2. Sullivan JE, et al. Clinical report — Fever and antipyretic use in children. Pediatrics. 2011; doi:10.1542/peds.2010-3852. Reaffirmed July 2016.
  3. 314 labeling of drug preparations containing salicylates. Electronic Code of Federal Regulations. https://www.ecfr.gov/cgi-bin/text-idx?SID=76be002fc0488562bf61609b21a6b11e&mc=true&node=se21.4.201_1314&rgn=div8. Accessed Feb. 22, 2018.
  4. Renaud DL (expert opinion). Mayo Clinic; 2018.
  5. Marcdante KJ, et al., eds. Infections characterized by fever and rash. In: Nelson Essentials of Pediatrics. 9th ed. Elsevier; 2023. https://www.clinicalkey.com. Accessed April 20, 2022.
  6. Schmitt BD. Rash or redness, widespread. In: Pediatric Telephone Protocols: Office Version. 17th ed. American Academy of Pediatrics; 2021.
  7. Roseola infantum. Merck Manual Professional Version. https://www.merckmanuals.com/professional/pediatrics/miscellaneous-viral-infections-in-infants-and-children/roseola-infantum. Accessed April 20, 2022.
  8. Schmitt BD. Seizure with fever. In: Pediatric Telephone Protocols: Office Version. 17th ed. American Academy of Pediatrics; 2021.
  9. Roseola infantum. American Academy of Pediatrics. https://www.healthychildren.org/English/health-issues/conditions/skin/Pages/Roseola-Infantum.aspx. Accessed April 20, 2022.
  10. Tosh PK (expert opinion). Mayo Clinic. April 21, 2022.
  11. Tremblay C, et al. Roseola infantum (exanthem subitum). https://www.uptodate.com/contents/search. Accessed April 20, 2022.
  12. Hay WW Jr, et al., eds. Infections: Viral & Rickettsial. In: Current Diagnosis & Treatment: Pediatrics. 25th ed. McGraw Hill; 2020. https://accessmedicine.mhmedical.com. Accessed April 20, 2022.

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