A patient is following an elimination diet to help identify food allergies. After 1 week, the patient's symptoms resolve. What should be planned for this patient?
1. reintroducing the eliminated foods one at a time to determine the allergy
2. resuming the regular pre-elimination diet
3. taking an antihistamine before eating a food that causes a food allergy
4. consuming foods identified as causing allergies for the full week following the elimination diet
Correct Answer: 1
If symptoms improve after an elimination diet, foods are reintroduced one at a time until symptoms recur, indicating allergy to that food. The patient should not resume the pre-elimination diet, take an antihistamine prior to eating a food identified as causing an allergy, or consume foods known to cause an allergic response.
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