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Genetic and Rare Diseases Information Center (GARD)

Search for Rare or Genetic Diseases

Diseases Beginning With Q

The purpose of the Rare Diseases and Related Terms list is to distribute information; although the list is updated regularly, it should not be used as a reference or guarantee that a condition is rare. The prevalence of a rare disease is usually an estimate and may change over time. A rare (or orphan) disease is generally considered to have a prevalence of fewer than 200,000 affected individuals in the United States.

* This symbol indicates that a condition is not rare but is one for which a question has been answered by the GARD Information Center.
Is Rare Condition? Disease Name
* Q fever
* Q fever pneumonia - See Q fever
* Qazi Markouizos syndrome
* QDPR deficiency - See Dihydropteridine reductase deficiency
* QPD - See Quebec platelet disorder
* QSM - See Inclusion body myopathy 2
* Quadriceps Sparing Myopathy - See Inclusion body myopathy 2
* Quantal squander syndrome - See Isaacs' syndrome
* Quebec platelet disorder
* Query fever - See Q fever
* Question mark ear - See Auriculo-condylar syndrome
* Quinoid dihydropteridine reductase deficiency - See Dihydropteridine reductase deficiency
* Quinquaud’s disease - See Quinquaud's decalvans folliculitis
* Quinquaud's decalvans folliculitis