What are the symptoms of PWS?

People with Prader-Willi syndrome usually present a range of different symptoms as the syndrome affects many different aspects of their general health and mental and social development; some people are affected more severely than others so they may display more severe symptoms than other people. There are four main features of Prader-Willi syndrome; these include:

  • Hypotonia: this is a lack of muscle tone, which affects babies most severely; a baby with PWS is usually floppy because their muscle tone is so weak.
  • Obesity: obesity is a common symptom of PWS because people tend to overeat and have a relatively sedentary lifestyle. Obesity is not a common feature amongst those who have a controlled calorie intake.
  • Hypogonadism: this is a hormonal condition which means that the sexual organs and characteristics do not develop fully.
  • Problems with the central nervous system and the endocrine gland: these problems affect growth and development.

In addition to these features, there are a number of more specific symptoms which are common amongst people with PWS; a list of common symptoms is outlined below:

Prader-Willi syndrome

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