• If oral challenge is in the AM, no breakfast.

  • If the oral challenge is in the PM, no lunch.

  • No illnesses or cold like symptoms.

  • Make sure Peak Flows are normal 3 days prior to the challenge (if you have asthma and a peak flow meter).

  • Preferably no antihistamines 7 days prior to the challenge, if the patient is unable to stop them please discuss with the physician.

  • Bring EpiPen, if you have one.

  • Bring the food/drug that you are going to be challenged to.

  • The appointment will take approximately 3-4 hours.