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Please avoid the following for the 24 hours of the collection:
Medications can also affect the results. Please list any medications you are taking on the request form.
You must avoid eating some types of food from 48 hours before you start collecting urine, and throughout the collection period, because they can affect the results:
These substances can increase the amount of 5HIAA in your urine and cause a raised result.
This information is intended for patients receiving care in Brighton & Hove or Haywards Heath.
The information here is for guidance purposes only and is in no way intended to replace professional clinical advice by a qualified practitioner.
Publication Date: April 2022
Review Date: December 2022