This list of rare diseases was originally taken from the NIH public domain resource at http://ord.aspensys.com/asp/diseases/diseases.asp .

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

  • Y chromosome deletions
  • Yaws
  • Yellow fever
  • Yellow nail syndrome
  • Yersinia pestis disease
  • Yersiniosis
  • Yim Ebbin syndrome
  • Yolk sac tumor
  • Yorifuji Okuno syndrome
  • Yoshimura-Takeshita syndrome
  • Young Hugues syndrome
  • Young Maders syndrome
  • Young Mc keever Squier syndrome
  • Young Simpson syndrome
  • Young Syndrome
  • Yunis Varon syndrome
  • Yusho Disease