A worldwide patient support organization for people living and dealing with x-linked hypophosphatemia (XLH)
X-Linked Hypophosphatemia (XLH) is a rare genetic disorder that affects about one in 20,000 people. The key characteristic of XLH is a low level of phosphorus in the blood, called Hypophosphatemia. When a person is affected by XLH, their kidneys do not properly handle Vitamin D and phosphorus. This causes a variety of symptoms and disorders that usually affect their bones and teeth. Learn More...