Attendance of XLH Day has an added bonus…the ability to “Ask The Experts” in person!

Everyone has the opportunity to submit a question to  We will then compile the questions and categorize and eliminate any duplicates.

During the event, we will hold a special program to go over those questions in person.

Depending on the complexity and/or time requirements, we will try to accommodate as many questions as possible.


 Below are some sample questions.

1). What has anyone heard about Cholecalciferol? I have read that it is not a final metabolite and has been connected to Vit D toxicity in Vit D Resistant Rickets.

  Click here for answer.

2). Where does pain come from in XLH hips and knees?

Click here  for answer.

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