List of rare diseases starting with O

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

• O Doherty syndrome[?]
• O Donnell Pappas syndrome[?]
• Obesity
• Obesophobia[?]
• Obsessive-compulsive disorder
• Obstructive asymmetric septal hypertrophy[?]
• Occipital horn syndrome[?]
• Occlusive Infantile ateriopathy[?]
• Occult spinal dysraphism[?]
• Occupational Asthma - Chemicals[?]
• Occupational Asthma - Metals[?]
• Occupational Asthma - Plants[?]
• Occupational Asthma - Wood dust[?]
• Occupational Asthma-Drugs[?]
• OCD
• Ochoa syndrome[?]
• Ochronosis, hereditary[?]
• Ochronosis[?]
• Ocular Albinism[?]
• Ocular coloboma-imperforate anus[?]
• Ocular convergence spasm[?]
• Ocular Histoplasmosis[?]
• Ocular melanoma[?]
• Ocular motility disorders[?]
• Ocular toxoplasmosis[?]
• Oculo cerebral dysplasia[?]
• Oculo cerebro acral syndrome[?]
• Oculo cerebro osseous syndrome[?]
• Oculo dento digital dysplasia[?]
• Oculo digital syndrome[?]
• Oculo facio cardio dental syndrome[?]
• Oculo skeletal renal syndrome[?]
• Oculo tricho anal syndrome[?]
• Oculo tricho dysplasia[?]
• Oculoauriculofrontonasal syndrome[?]
• Oculoauriculovertebral dysplasia[?]
• Oculocerebral hypopigmentation syndrome Cross type[?]
• Oculocerebral hypopigmentation syndrome type Preus[?]
• Oculocerebral syndrome with hypopigmentation[?]
• Oculocerebrocutaneous syndrome[?]
• Oculocerebrorenal syndrome[?]
• Oculocutaneous albinism immunodeficiency[?]
• Oculocutaneous albinism type 1[?]
• Oculocutaneous albinism type 2[?]
• Oculocutaneous albinism type 3[?]
• Oculocutaneous albinism, tyrosinase negative[?]
• Oculocutaneous albinism, tyrosinase positive[?]
• Oculocutaneous tyrosinemia[?]
• Oculodental syndrome Rutherfurd syndrome[?]
• Oculodentodigital dysplasia dominant[?]
• Oculodentodigital syndrome[?]
• Oculo-dento-digital syndrome[?]
• Oculodentoosseous dysplasia dominant[?]
• Oculodentoosseous dysplasia recessive[?]
• Oculodigitoesophagoduodenal syndrome[?]
• Oculo-gastrointestinal muscular dystrophy[?]
• Oculomaxillofacial dysostosis[?]
• Oculomaxillofacial dysplasia with oblique facial clefts[?]
• Oculomelic amyoplasia[?]
• Oculopalatoskeletal syndrome[?]
• Oculopharnygeal muscular dystrophy[?]
• Oculorenocerebellar syndrome[?]
• Odonto onycho dysplasia with alopecia[?]
• Odontoma[?]
• Odontomicronychial dysplasia[?]
• Odontoonychodermal dysplasia[?]
• Odontophobia[?]
• Odontotrichomelic hypohidrotic dysplasia[?]
• Odynophobia[?]
• OFD syndrome type 8[?]
• OFD syndrome type Figuera[?]
• Ogilvie's syndrome[?]
• Ohaha syndrome[?]
• Ohdo Madokoro Sonoda syndrome[?]
• Oikophobia[?]
• Okamuto Satomura syndrome[?]
• Olfactophobia[?]
• Oligodactyly tetramelic postaxial[?]
• Oligomeganephronic renal hypoplasia[?]
• Oligomeganephrony[?]
• Oligophernia[?]
• Oliver McFarlane syndrome[?]
• Oliver syndrome[?]
• Olivopontocerebellar atrophy deafness[?]
• Olivopontocerebellar atrophy type 1[?]
• Olivopontocerebellar atrophy type 2[?]
• Olivopontocerebellar atrophy type 3[?]
• Olivopontocerebellar atrophy[?]
• Ollier disease[?]
• Olmsted syndrome[?]
• Ombrophobia[?]
• Omenn syndrome[?]
• Omodysplasia type 1[?]
• Omphalocele cleft palate syndrome lethal[?]
• Omphalocele exstrophy imperforate anus[?]
• Omphalomesenteric cyst[?]
• Omsk hemorrhagic fever[?]
• Onat syndrome[?]
• Onchocerciasis[?]
• Oncocytoma[?]
• Ondine's curse[?]
• Oneirophobia[?]
• Onychonychia hypoplastic distal phalanges[?]
• Onychotrichodysplasia and neutropenia[?]
• Ophthalmophobia[?]
• Opitz Mollica Sorge syndrome[?]
• Opitz Reynolds Fitzgerald syndrome[?]
• Opitz syndrome[?]
• Opportunistic infections[?]
• Oppositional defiant disorder[?]
• Opsismodysplasia[?]
• Opthalmic icthyosis[?]
• Opthalmo acromelic syndrome[?]
• Opthalmomandibulomelic dysplasia[?]
• Opthalmoplegia ataxia hypoacusis[?]
• Opthalmoplegia mental retardation lingua scrotalis[?]
• Opthalmoplegia myalgia tubular aggregates[?]
• Opthalmoplegia progressive external scoliosis[?]
• Optic atrophy opthalmoplegia ptosis deafness myopia[?]
• Optic atrophy polyneuropathy deafness[?]
• Optic atrophy, autosomal dominant[?]
• Optic atrophy, idiopathic, autosomal recessive[?]
• Optic atrophy[?]
• Optic nerve coloboma with renal disease[?]
• Optic nerve disorder[?]
• Optic nerve hypoplasia, familial bilateral[?]
• Optic neuritis
• Optic pathway glioma[?]
• Opticoacoustic nerve atrophy dementia[?]
• Oral facial digital syndrome type 3[?]
• Oral facial digital syndrome type 4[?]
• Oral facial digital syndrome[?]
• Oral facial dyskinesia[?]
• Oral leukoplakia[?]
• Oral lichen planus[?]
• Oral lichenoid lesions[?]
• Oral squamous cell carcinoma[?]
• Oral submucous fibrosis[?]
• Oral-facial cleft[?]
• Oral-facial-digital syndrome, type IV[?]
• Oral-facial-digital syndrome[?]
• Oral-pharyngeal disorders[?]
• Organic brain syndrome[?]
• Organic mood syndrome[?]
• Organic personality syndrome[?]
• Ornithine aminotransferase deficiency[?]
• Ornithine carbamoyl phosphate deficiency[?]
• Ornithine transcarbamylase deficiency, hyperammonemia due to[?]
• Ornithinemia[?]
• Oro acral syndrome[?]
• Orofaciodigital syndrome Gabrielli type[?]
• Orofaciodigital syndrome Shashi type[?]
• Orofaciodigital syndrome Thurston type[?]
• Orofaciodigital syndrome type 2[?]
• Orofaciodigital syndrome type1[?]
• Orotic aciduria hereditary[?]
• Orotic aciduria purines-pyrimidines[?]
• Orotidylic decarboxylase deficiency[?]
• Orstavik Lindemann Solberg syndrome[?]
• Orthostatic intolerance[?]
• Osebold Remondini syndrome[?]
• Oslam syndrome[?]
• Osmed Syndrome[?]
• Ossicular Malformations, familial[?]
• Osteitis deformans[?]
• Osteoarthritis[?]
• Osteoarthropathy of fingers familial[?]
• Osteochondritis deformans juvenile[?]
• Osteochondritis dissecans[?]
• Osteochondritis[?]
• Osteochondrodysplasia thrombocytopenia hydrocephalus[?]
• Osteochondroma[?]
• Osteocraniostenosis[?]
• Osteodysplasia familial Anderson type[?]
• Osteodysplastic dwarfism Corsello type[?]
• Osteoectasia familial[?]
• Osteogenesis imperfecta congenita microcephaly and cataracts[?]
• Osteogenesis imperfecta congenital joint contractures[?]
• Osteogenesis imperfecta retinopathy[?]
• Osteogenic sarcoma[?]
• Osteoglophonic dwarfism[?]
• Osteolysis hereditary multicentric[?]
• Osteolysis syndrome recessive[?]
• Osteomalacia[?]
• osteomyelitis[?]
• Osteonecrosis[?]
• Osteopathia condensans disseminata with osteopoikilosis[?]
• Osteopathia striata cranial sclerosis[?]
• Osteopathia striata pigmentary dermopathy white forelock[?]
• Osteopetrosis autosomal dominant type 1[?]
• Osteopetrosis lethal[?]
• Osteopetrosis renal tubular acidosis[?]
• Osteopetrosis, (generic term)[?]
• Osteopetrosis, malignant[?]
• Osteopetrosis, mild autosomal recessive form[?]
• Osteopoikilosis[?]
• Osteoporosis macrocephaly mental retardation blindness[?]
• Osteoporosis oculocutaneous hypopigmentation syndrome[?]
• Osteoporosis pseudoglioma syndrome[?]
• osteoporosis
• Osteosarcoma limb anomalies erythroid macrocytosis[?]
• Osteosclerose type Stanescu[?]
• Osteosclerosis abnormalities of nervous system and meninges[?]
• Osteosclerosis autosomal dominant Worth type[?]
• Osteosclerosis[?]
• Ostertag type amyloidosis[?]
• Ota Kawamura Ito syndrome[?]
• Oto palato digital syndrome type I and II[?]
• Otodental dysplasia[?]
• Otofaciocervical syndrome[?]
• Otoonychoperoneal syndrome[?]
• Oto-Palatal-digital syndrome[?]
• Otopalatodigital syndrome type 2[?]
• Otosclerosis, familial[?]
• otosclerosis
• Otospondylomegaepiphyseal dysplasia[?]
• Ouvrier Billson syndrome[?]
• Ovarian cancer[?]
• Ovarian carcinosarcoma[?]
• Ovarian dwarfism as part of Turner Syndrome[?]
• Ovarian dwarfism[?]
• Ovarian insufficiency due to FSH resistance[?]
• ovarian remnant syndrome[?]
• Overfolded helix[?]
• Overgrowth radial ray defect arthrogryposis[?]
• Overgrowth syndrome type Fryer[?]
• Overhydrated hereditary stomatocytosis[?]
• Oxalosis[?]