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Symptoms of XLH in adults

Most adults with XLH have been living with symptoms since childhood and may develop new complications later in life. Over time, they may get used to the chronic pain, fatigue, and muscle dysfunction.1 As a chronic and progressive disease, XLH requires careful monitoring of symptoms.2,3

Existing symptoms from childhood1,3

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Osteomalacia

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Lower extremity abnormalities (leg bowing, knock knees, windswept deformities)

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Short stature

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Pain

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Skeletal pain

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Chiari malformations

Another existing symptom from childhood includes:1

  • Craniosynostosis

Symptoms experienced in adulthood1

X-ray of legs with pseudofractures

Fractures and pseudofractures

Women putting on hearing aid

Hearing loss

Other symptoms in adulthood includes:3

  • Enthesopathy or the calcification of ligaments, tendons, and joint capsules
  • Spinal stenosis
  • Osteoarthritis

Muscular dysfunction

Chronic hypophosphatemia also affects the muscles in the body.

Muscular symptoms present as:1

Stiffness

Pain

Muscle pain and weakness

Gait disturbances

Dental abnormalities

Chronic hypophosphatemia can lead to dental defects by causing enlargement of the pulp chambers and damage to the enamel.1

Dental symptoms present as:1,2

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Dental abscesses and periodontitis

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Because some symptoms of XLH like chronic pain or fatigue may not be visible, it is important to listen to your patients. Getting an accurate diagnosis can help prevent exacerbation of symptoms that your patient may experience.

XLH progression in real patients

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Adult

49-year-old male with hereditary XLH

Learn more

Connect the symptoms

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The disease burden of XLH

Understand more about how XLH impacts the lives of patients.

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Diagnosing XLH

Learn more about how to diagnose XLH through testing.

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XLH resources and community

Find resources for you and your patients to understand more about this rare condition.

References:

1. Dahir K, et al. J Endocr Soc. 2020;4(12):bvaa151. 2. Hamilton AA, et al. J Endocr Soc. 2022;6(8):bvaa086. 3. Haffner D,et al. Nat Rev Nephrol. 2019;15(7):435-455.