To prepare for your appointment, see the topic Making the Most of Your Appointment

You can help your doctor diagnose and treat your child's condition by being prepared to answer the following questions:

• What is the history of the rash, including:
  • When did the rash start?
  • Where did the rash start?
  • Has the rash spread?
  • Has the rash changed?
• Has your child had this rash before? If yes:
  • What were the circumstances?
  • When did he or she last have it?
  • How was it treated?
  • How long did it last?
• What other symptoms has your child had? Symptoms may include itching, burning, stinging, tingling, numbness, pain, tenderness to the touch, fever, cold symptoms, or diarrhea.
• Has your child been exposed to a contagious illness, such as measles, rubella, mumps, or chickenpox?
• Have you recently used a new food, medicine, or product, such as soaps, detergents, shampoos, lotions, fabrics, new toys, or other object?
• Has your child been exposed to poisonous plants. such as poison ivy, oak, or sumac?
• Has your child had other health problems during the past 3 months?
• Has your child recently traveled to a rural area or to another country?
• Does anyone in your immediate family have a skin disorder or an allergy?
• Which home treatment measures have you tried? Has anything made the rash better or worse? Be sure to include any nonprescription medicines you have given your child.
• Does your child have any health risks?