This listing of rare diseases is provided for spelling reference. Clicking on the link will generate a new window and take you to NORD's home page, where you may search for an abstract of the disease or order a full text report of the disease. Please read the notice at the bottom of this page before using this list.

C
C Syndrome
Camptomelic Syndrome
Cancer, Colon
Cancer, Prostate
Cancers, Skin, General
Candidiasis
Carbamyl Phosphate Synthetase Deficiency
Carbohydrate deficient Glycoprotein Syndrome Type Ia
Carboxylase Deficiency, Multiple
Carcinoid Syndrome
Carcinoma, Renal Cell
Carcinoma, Squamous Cell
Cardio Auditory Syndrome
Cardiofaciocutaneous Syndrome
Carnitine Deficiency Syndromes
Carnitine Palmitoyltransferase Deficiency
Carnosinemia
Caroli Disease
Carpal Tunnel Syndrome
Carpenter Syndrome
Castleman's Disease
Cat Eye Syndrome
Cat Scratch Disease
Cataract Dental Syndrome
Cataracts
Catel Manzke Syndrome
Caudal Regression Syndrome
Cavernous Hemangioma
Cayler Syndrome
Celiac Sprue
Central Core Disease
Central Hypoventilation Syndrome, Congenital
Cerebellar Agenesis
Cerebellar Degeneration, Subacute
Cerebral Palsy
Cerebro Oculo Facio Skeletal Syndrome
Cerebrocostomandibular Syndrome
Chagas Disease
Chalazion
Chandler's Syndrome
Charcot Marie Tooth Disease
CHARGE Association
Chediak Higashi Syndrome
Chiari Frommel Syndrome
Chikungunya
Chlamydia
Cholangitis, Primary Sclerosing
Cholecystitis
Cholera
Cholestasis
Chondrocalcinosis, Familial Articular
Chorea, Sydenham's
Choroideremia
Choroiditis, Serpiginous
Chromosome 10, Distal Trisomy 10q
Chromosome 10, Monosomy 10p
Chromosome 11, Partial Monosomy 11q
Chromosome 11, Partial Trisomy 11q
Chromosome 13, Partial Monosomy 13q
Chromosome 14 Ring
Chromosome 14, Trisomy Mosaic
Chromosome 15 Ring
Chromosome 15, Distal Trisomy 15q
Chromosome 18, Monosomy 18p
Chromosome 18, Ring
Chromosome 18, Tetrasomy 18p
Chromosome 18q- Syndrome
Chromosome 21 Ring
Chromosome 22 Ring
Chromosome 22, Trisomy Mosaic
Chromosome 3, Monosomy 3p2
Chromosome 3, Trisomy 3q2
Chromosome 4 Ring
Chromosome 4, Monosomy 4q
Chromosome 4, Monosomy Distal 4q
Chromosome 4, Partial Trisomy Distal 4q
Chromosome 4, Trisomy 4p
Chromosome 5, Trisomy 5p
Chromosome 6 Ring
Chromosome 6, Partial Trisomy 6q
Chromosome 7, Monosomy 7p2
Chromosome 8, Monosomy 8p2
Chromosome 9 Ring
Chromosome 9, Partial Monosomy 9p
Chromosome 9, Tetrasomy 9p
Chromosome 9, Trisomy 9p (Multiple Variants)
Chromosome 9, Trisomy Mosaic
Chronic Fatigue Syndrome
Chronic Inflammatory Demyelinating Polyneuropathy
Churg Strauss Syndrome
Ciguatera Fish Poisoning
Cirrhosis, Primary Biliary
Citrullinemia
Cleft Palate and Cleft Lip
Cleidocranial Dysplasia
Clubfoot
Coats' Disease
Cochin Jewish Disorder
Cockayne Syndrome
Coffin Lowry Syndrome
Coffin Siris Syndrome
Cogan Reese Syndrome
Cohen Syndrome
Colitis, Collagenous
Colitis, Ulcerative
Colorado Tick Fever
Common Variable Immunodeficiency
Condyloma
Cone Dystrophy
Congenital Varicella Syndrome
Conjunctivitis, Ligneous
Conn Syndrome
Conradi Hunermann Syndrome
Conversion Disorder
Cor Triatriatum
Corneal Dystrophy
Cornelia de Lange Syndrome
Corticobasal Degeneration
Costello Syndrome
Cowpox
Craniofrontonasal Dysplasia
Craniometaphyseal Dysplasia
Craniosynostosis, Primary
Creutzfeldt Jakob Disease
Cri du Chat Syndrome
Crigler Najjar Syndrome Type I
Crohn's Disease
Cronkhite Canada Disease
Crouzon Disease
Cryoglobulinemia, Essential Mixed
Cryptococcosis
Cushing Syndrome
Cutis Laxa
Cutis Marmorata Telangiectatica Congenita
Cyclic Vomiting Syndrome
Cystic Fibrosis
Cystic Hygroma
Cysticercosis
Cystinosis
Cystinuria
Cytochrome C Oxidase Deficiency
Cytomegalovirus Infection

Please Click HERE for a comma-delimited list of the rare diseases that you may add to your speller.

List made available by express written permission of NORD - National Organization for Rare Disorders, Inc.

Important:
Please use the above list at your own risk. While we make every effort to ensure accuracy, we cannot be held responsible for errors in spelling or capitalization, or any circumstance that may result because of said error. In using the above list you also agree to never hold Medword Medical Sales responsible for any errors should they exist.

Please Note:
The National Organization for Rare Disorders (NORD) web site, its databases, and the contents thereof are copyrighted by NORD. No part of the NORD web site, databases, or the contents may be copied in any way, including but not limited to the following: electronically downloading, storing in a retrieval system, or redistributing for any commercial purposes without the express written permission of NORD. Permission is hereby granted to print one hard copy of the information on an individual disease for your personal use, provided that such content is in no way modified, and that credit for the source (NORD) and NORD's copyright notice are included on the printed copy. Any other electronic reproduction or other printed versions are strictly prohibited.