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

IRF2BPL-related regressive neurodevelopmental disorder-dystonia-seizures syndrome

ORPHA:597623

IRIDA syndrome

Iron-refractory iron deficiency anemia

ORPHA:209981

Iridocorneal endothelial syndrome

ICE syndrome

ORPHA:64734

IRVAN syndrome

Idiopathic retinal vasculitis-aneurysms-neuroretinitis syndrome

ORPHA:209943

Isaacs syndrome

Continuous muscle fiber activity syndrome · Quantal squander syndrome

ORPHA:84142

Ischio-vertebral syndrome

Ischiospinal dysostosis · Ischiovertebral dysplasia

ORPHA:85200

Isobutyryl-CoA dehydrogenase deficiency

Isobutyric aciduria

ORPHA:79159

Isochromosome Y syndrome

ORPHA:96325

Isochromosomy Yp syndrome

ORPHA:98797

Isochromosomy Yq syndrome

ORPHA:98798

Isolated absence of both forearm and hand

Isolated congenital radio-ulnar terminal transverse meromelia

ORPHA:294979

Isolated absence of both lower leg and foot

Isolated congenital tibiofibular terminal transverse meromelia

ORPHA:294981

Isolated absence of thigh and lower leg with foot present

Isolated congenital femoro-tibio-fibular intercalary transverse meromelia

ORPHA:294977

Isolated absence of upper arm and forearm with hand present

Isolated congenital humero-radio-ulnar intercalary transverse meromelia

ORPHA:294975

Isolated absence/hypoplasia of fingers excluding thumb, unilateral

Isolated congenital adactyly of hand, unilateral · Isolated digits 2-5 hypodactyly, unilateral

ORPHA:973

Isolated acheiria

Isolated congenital absence of hand

ORPHA:294983

Isolated acheiropodia

Isolated acheiropody

ORPHA:931

Isolated adrenal medullary hyperplasia

Isolated AMH

ORPHA:688649

Isolated agenesis of gallbladder

ORPHA:440987

Isolated amelia of lower limb

Isolated congenital absence of lower limb

ORPHA:294969

Isolated amelia of upper limb

Isolated congenital absence of upper limb

ORPHA:294967

Isolated amyelia

ORPHA:268868

Isolated anal canal duplication

ACD

ORPHA:684752

Isolated anencephaly

ORPHA:563609

Isolated anencephaly/exencephaly

ORPHA:1048

Isolated angioid streaks

ORPHA:674943

Isolated aniridia

ORPHA:250923

Isolated ankyloblepharon filiforme adnatum

ORPHA:91397

Isolated anogenital granulomatosis

AGG

ORPHA:692256

Isolated anterior cervical hypertrichosis

Hairy throat syndrome · Tsukahara-Kajii syndrome

ORPHA:3387

Isolated apodia

Isolated congenital absence of foot

ORPHA:294986

Isolated arhinencephaly

ORPHA:268936

Isolated arrhinia

Isolated nose agenesis

ORPHA:1134

Isolated asymptomatic elevation of creatine phosphokinase

Isolated asymptomatic hyperCKemia · Idiopathic asymptomatic hyperCKemia

ORPHA:206599

Isolated ATP synthase deficiency

Isolated mitochondrial respiratory chain complex V deficiency

ORPHA:254913

Isolated atrial standstill

Isolated atrial cardiomyopathy with heart block

ORPHA:1344

Isolated autosomal dominant hypomagnesemia, Glaudemans type

ORPHA:199326

Isolated bilateral hemispheric cerebellar hypoplasia

ORPHA:269221

Isolated biliary atresia

Non-syndromic biliary atresia · Isolated atresia of bile ducts

ORPHA:30391

Isolated blepharochalasis

ORPHA:519390

Isolated bone marrow mastocytosis

ORPHA:158778

Isolated cerebellar agenesis

Near total absence of cerebellum · Subtotal absence of cerebellum

ORPHA:1398

Isolated cerebellar vermis agenesis

ORPHA:269203

Isolated cerebellar vermis hypoplasia

ORPHA:199630

Isolated childhood apraxia of speech

Isolated developmental verbal dyspraxia · Pure childhood apraxia of speech

ORPHA:209908

Isolated cleft lip

ORPHA:199302

Isolated colonic duplication

Isolated duplication of the colon

ORPHA:662392

Isolated complex I deficiency

Isolated NADH-coenzyme Q reductase deficiency · Isolated NADH-ubiquinone reductase deficiency

ORPHA:2609