Rare Disease Library

Browse Orphanet-curated rare diseases with HPO phenotype annotations, synonyms, and linked support programs. Search by name, abbreviation, or synonym.

Try: "IgA nephropathy", "C3G", "Berger's disease", "PKU", "Duchenne"

10,911 rare diseases

Omphalocele

ORPHA:660

Omphalocele syndrome, Shprintzen-Goldberg type

ORPHA:3164

Omphalocele-diaphragmatic hernia-cardiovascular anomalies-radial ray defect syndrome

Gershoni-Baruch syndrome

ORPHA:496693

Omphalomesenteric cyst

ORPHA:490

Omsk hemorrhagic fever

ORPHA:319266

Onchocerciasis

ORPHA:2737

Oncogenic osteomalacia

Oncogenic hypophosphatemic osteomalacia · TIO

ORPHA:352540

Onycho-tricho-dysplasia-neutropenia syndrome

Itin syndrome · ONMR syndrome

ORPHA:2739

Onychocytic matricoma

Acanthoma of the nail matrix

ORPHA:300504

Onychomatricoma

ORPHA:300512

Open iniencephaly

ORPHA:268363

Open spinal dysraphism

Spina bifida aperta · Open spina bifida

ORPHA:268369

Open spinal dysraphism with a myelomeningocele

Myelomeningocele · MMC

ORPHA:93969

Open spinal dysraphism with a posterior meningocele

ORPHA:645270

Ophthalmological abnormalities-facial dysmorphism-intellectual disability syndrome

BRPF1-related neurodevelopmental disorder

ORPHA:698090

Ophthalmomandibulomelic dysplasia

OMM syndrome · Pillay syndrome

ORPHA:2741

Ophthalmoplegia-intellectual disability-lingua scrotalis syndrome

Levic-Stefanovic-Nikolic syndrome

ORPHA:2743

Opitz GBBB syndrome

Hypertelorism-oesophageal abnormality-hypospadias syndrome · Hypospadias-dysphagia syndrome

ORPHA:2745

Opsismodysplasia

ORPHA:2746

Opsoclonus-myoclonus syndrome

Ataxo-opso-myoclonus syndrome · Dancing eye syndrome

ORPHA:1183

Optic atrophy-ataxia-peripheral neuropathy-global developmental delay syndrome

ORPHA:543470

Optic atrophy-intellectual disability syndrome

BBSOAS · Bosch-Boonstra-Schaaf optic atrophy syndrome

ORPHA:401777

Optic disc pit

ORPHA:519404

Optic pathway glioma

ORPHA:2086

Oral submucous fibrosis

OSMF

ORPHA:357154

Orbital leiomyoma

ORPHA:52994

Organic aciduria

ORPHA:289899

Orgasm-induced epilepsy

ORPHA:166421

Orofacial clefting syndrome

ORPHA:139039

Orofacial clefting-cardiac anomalies-facial dysmorphism syndrome

AMOTL1-related syndrome

ORPHA:660021

Orofaciodigital syndrome

OFD · Oral-facial-digital syndrome

ORPHA:140997

Orofaciodigital syndrome type 1

OFD1 · OFDI

ORPHA:2750

Orofaciodigital syndrome type 11

OFD11 · Oral-facial-digital syndrome type 11

ORPHA:141000

Orofaciodigital syndrome type 14

Microcephaly-cerebral malformation-orofaciodigital syndrome · OFD14

ORPHA:434179

Orofaciodigital syndrome type 18

OFD18 · Oral-facial-digital syndrome type 18

ORPHA:508501

Orofaciodigital syndrome type 2

Mohr syndrome · OFD2

ORPHA:2751

Orofaciodigital syndrome type 3

OFD3 · Oral-facial-digital syndrome type 3

ORPHA:2752

Orofaciodigital syndrome type 4

Baraitser-Burn syndrome · Mohr-Majewski syndrome

ORPHA:2753

Orofaciodigital syndrome type 5

Oral-facial-digital syndrome type 5 · Orofaciodigital syndrome, Thurston type

ORPHA:2919

Orofaciodigital syndrome type 6

Joubert syndrome with oral-facial-digital syndrome · OFD6

ORPHA:2754

Orofaciodigital syndrome type 7

OFD7 · Oral-facial-digital syndrome type 7

ORPHA:90649

Orofaciodigital syndrome type 8

OFD8 · Oral-facial-digital syndrome type 8

ORPHA:2755

Orofaciodigital syndrome type 9

Oral-facial-digital syndrome type 9 · Oral-facial-digital syndrome with retinal abnormalities

ORPHA:141007

Oromandibular dystonia

ORPHA:93958

Oromandibular-limb anomalies syndrome

ORPHA:156215

Oromandibular-limb hypogenesis syndrome

Oroacral syndrome

ORPHA:2749

Oroya fever

ORPHA:659756

Osgood-Schlatter disease

Aseptic necrosis of the tibial tubercle · Osteochondrosis of the tibial tubercle

ORPHA:97335