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"

10,912 rare diseases

Chronic mucocutaneous candidiasis

CMC

ORPHA:1334

Chronic myeloid leukemia

CML · Chronic granulocytic leukemia

ORPHA:521

Chronic myelomonocytic leukemia

CMML

ORPHA:98823

Chronic myeloproliferative disease, unclassifiable

CMPD-U · Undifferentiated myeloproliferative disease

ORPHA:86830

Chronic neurovisceral acid sphingomyelinase deficiency

Chronic neurovisceral ASMD · Niemann-Pick disease type A/B

ORPHA:618891

Chronic neutrophilic leukemia

ORPHA:86829

Chronic nonbacterial osteomyelitis/Chronic recurrent multifocal osteomyelitis

CNO/CRMO

ORPHA:324964

Chronic pneumonitis of infancy

CPI

ORPHA:91359

Chronic polyradiculoneuropathy

ORPHA:208978

Chronic primary adrenal insufficiency

CPAI · Chronic adrenocorticoid insufficiency

ORPHA:101959

Chronic relapsing inflammatory optic neuritis

CRION

ORPHA:499085

Chronic respiratory distress with surfactant metabolism deficiency

ORPHA:217566

Chronic thromboembolic pulmonary hypertension

CTEPH

ORPHA:70591

Chronic visceral acid sphingomyelinase deficiency

Chronic visceral ASMD · Niemann-Pick disease type B

ORPHA:77293

CHST3-related skeletal dysplasia

Chondrodysplasia with congenital joint dislocations, CHST3 type · SDCD, CHST3 type

ORPHA:263463

Chudley-Lowry-Hoar syndrome

Chudley-Lowry syndrome

ORPHA:93971

Chudley-McCullough syndrome

ORPHA:314597

Chuvash erythrocytosis

Chuvash polycythemia · Von Hippel-Lindau-dependent polycythemia

ORPHA:238557

Chylomicron retention disease

Anderson disease · CMRD

ORPHA:71

Chylous ascites

ORPHA:1160

CIDEC-related familial partial lipodystrophy

FPLD5 · CIDEC-related FPLD

ORPHA:435651

Ciliopathies with major skeletal involvement

SRP · Short rib dysplasia

ORPHA:93426

Ciliopathy

ORPHA:363250

CINCA syndrome

IOMID syndrome · Infantile-onset multisystem inflammatory disease

ORPHA:1451

Circumscribed palmoplantar hypokeratosis

Circumscribed acral hypokeratosis

ORPHA:69744

Cirrhosis-dystonia-polycythemia-hypermanganesemia syndrome

ORPHA:309854

Citrullinemia

ORPHA:187

Citrullinemia type I

ASS deficiency · Argininosuccinate synthase deficiency

ORPHA:247525

Citrullinemia type II

Adult-onset citrin deficiency · CTLN2

ORPHA:247585

CK syndrome

X-linked intellectual disability-microcephaly-cortical malformation-thin habitus syndrome

ORPHA:251383

CLAPO syndrome

ORPHA:168984

Clark-Baraitser syndrome

ORPHA:600731

Class I glucose-6-phosphate dehydrogenase deficiency

Class I G6PD deficiency · Severe hemolytic anemia due to G6PD deficiency

ORPHA:466026

Classic bladder exstrophy

Classic exstrophy of the bladder

ORPHA:93930

Classic congenital adrenal hyperplasia due to 21-hydroxylase deficiency

Classic 21-OHD CAH

ORPHA:90794

Classic congenital adrenal hyperplasia due to 21-hydroxylase deficiency, salt wasting form

Classic 21-OHD CAH, salt wasting form

ORPHA:315306

Classic congenital adrenal hyperplasia due to 21-hydroxylase deficiency, simple virilizing form

Classic 21-OHD CAH, simple virilizing form

ORPHA:315311

Classic congenital lipoid adrenal hyperplasia due to STAR deficency

Classic CLAH

ORPHA:325524

Classic eosinophilic pustular folliculitis

Ofuji disease · Classic EPF

ORPHA:617408

Classic galactosemia

GALT deficiency · Galactose-1-phosphate uridyltransferase deficiency

ORPHA:79239

Classic glucose transporter type 1 deficiency syndrome

De Vivo disease · Classic GLUT1 deficiency syndrome

ORPHA:71277

Classic hairy cell leukemia

HCL-C · Leukemic reticuloendotheliosis

ORPHA:58017

Classic heparin-induced thrombocytopenia

Classic heparin-associated thrombocytopenia · Classic HAT

ORPHA:3325

Classic Hodgkin lymphoma

Classic Hodgkin disease

ORPHA:391

Classic Hodgkin lymphoma, lymphocyte-depleted type

ORPHA:98846

Classic Hodgkin lymphoma, lymphocyte-rich type

ORPHA:98845

Classic Hodgkin lymphoma, mixed cellularity type

ORPHA:98844

Classic Hodgkin lymphoma, nodular sclerosis type

ORPHA:98843