Disease list starting with O

Diseases Database
Disease, medication, symptom etc database index : O


O2 see Oxygen
OA see Osteoarthritis
Oasthouse urine disease see Methionine malabsorption
OAT deficiency see Ornithine ketoacid transaminase deficiency
Obesity
Obidoxime
Oblimersen
Obliterative bronchiolitis see Bronchiolitis obliterans
Obnubilation see Brain failure
O'Brien's granuloma see Actinic granuloma
Obsessive-compulsive disorder
Obstetric conditions
Obstetric shock see Puerperal shock
Obstruction of bile duct see Cholestatic jaundice
Obstructive jaundice see Cholestatic jaundice
Obstructive nephropathy see Hydronephrosis
Obstructive sleep apnoea
Obturator hernia
Occipital horn syndrome
Occult blood in stools see Faecal occult blood positive
O-chlorobenzylidine malononitrile see CS gas
Ochoa syndrome
Ochronosis see Alkaptonuria
Ockelbo disease see Sindbis virus
Octanoin see Monoctanoin
Octapressin see Felypressin
Octocog alpha see Coagulation factor VIII
Octopressin see Felypressin
Octreotide see Somatostatin
Octylcyanoacrylate
Ocular albinism type 1
Ocular cicatrical pemphigoid see Cicatricial pemphigoid
Ocular coloboma-imperforate anus syndrome see Cat eye syndrome
Ocular hypertelorism see Hypertelorism, ocular
Ocular hypertension see Raised intraocular pressure
Ocular ischemic syndrome
Ocular larva migrans
Ocular movement abnormality
Ocular-ophthalmoplegia, sympathetic see Horner's syndrome
Oculoauricular vertebral dysplasia see Goldenhar syndrome
Oculoauriculovertebral syndrome see Goldenhar syndrome
Oculobuccogenital syndrome see Behcet's disease
Oculocerebral syndrome see Lowe syndrome
Oculocerebrocutaneous syndrome
Oculo-cerebro-cutaneous syndrome see Oculocerebrocutaneous syndrome
Oculocerebrorenal syndrome see Lowe syndrome
Oculocutaneous albinism (tyrosinase negative)
Oculocutaneous albinism (tyrosinase positive)
Oculocutaneous albinism type 1 see Oculocutaneous albinism (tyrosinase negative)
Oculocutaneous albinism type 2 see Oculocutaneous albinism (tyrosinase positive)
Oculocutaneous albinism type 3
Oculocutaneous albinism type 4
Oculocutaneous albinism with leukocyte defect see Chediak-Higashi disease
Oculocutaneous syndrome see Vogt-Koyanagi-Harada syndrome
Oculodentodigital dysplasia see Oculo-dento-digital syndrome
Oculo-dento-digital syndrome
Oculodermal melanocytosis see Nevus of Ota
Oculodigitoesophagoduodenal syndrome see Feingold syndrome
Oculomotor nerve pathology see 3rd cranial nerve disorder
Oculomucocutaneous syndrome
Oculo-muco-cutaneous syndrome see Oculomucocutaneous syndrome
Oculopalatoskeletal syndrome see Michels syndrome
Oculopharyngeal muscular dystrophy
Oculovestibuloauditory syndrome
ODED syndrome see Feingold syndrome
Odontoameloblastoma see Ameloblastoma
Odontogenic myxoma
Odontogenic tumor
Odontoid hypoplasia
Odoratism see Lathyrus poisoning
Odynophagia see Dysphagia
Oedema
Oedema (localised)
Oenothera biennis oil see Gamma linolenic acid
Oesophageal achalasia see Esophageal achalasia
Oesophageal atresia see Esophageal atresia
Oesophageal cancer
Oesophageal diverticulum see Esophageal pouch
Oesophageal foreign body
Oesophageal reflux see Gastroesophageal reflux
Oesophageal rupture
Oesophageal varices
Oesophagitis
Oesophagostomiasis
Oesophagostomum bifurcum see Oesophagostomiasis
Oestradiol see Estradiol
Oestriol see Estriol
Oestrogen synthetase deficiency see Aromatase deficiency
Oestrogen withdrawal see Estrogen withdrawal
Oestrogens
Oestrone see Estrone
Ofloxacin
Ofuji's disease see Eosinophilic pustular folliculitis
Ogilvie's syndrome see Colonic pseudoobstruction
Oguchi congenital night blindness
Ohara's disease see Tularaemia
Ohdo blepharophimosis syndrome
Ohtahara syndrome
Okadaic acid
Okihiro syndrome
Oklahoma tick fever
OKT3 see Muromonab-CD3
Olanzapine
Olcegepant
Old age
Old World hookworm see Ancylostoma duodenale
Olfactogenital dysplasia see Kallmann syndrome
Olfactory hallucinations
Olfactory nerve damage see 1st cranial nerve disorder
Oligidria see Hypohidrosis
Oligoclonal bands (CSF)
Oligodactyly
Oligodendroglioma
Oligodeoxyribonucleotides, anti-sense see Antisense oligodeoxyribonucleotides
Oligodontia see Hypodontia
Oligohidrosis see Hypohidrosis
Oligohydramnios
Oligohydramnios sequence see Renal agenesis
Oligomenorrhoea see Amenorrhoea
Oligophrenia see Learning disability
Oligopnea see Respiratory failure type 2
Oliguria
Olivopontocerebellar syndrome
Ollier's disease see Enchondromatosis
Olmesartan
Olmsted syndrome
Olopatadine
Olpadronate
Olpadronic acid see Olpadronate
Olprinone
Olsalazine
Omalizumab
Omapatrilat
Omega-3 polyunsaturated fatty acids
Omenn syndrome
Omeprazole
O-methyldihydroartemisinine see Artemether
Omphalocele see Omphalocoele
Omphalocoele
Omsk hemorrhagic fever
Onat syndrome see Fryns-van den Berghe syndrome
Onchocerca volvulus
Onchocerciasis
Oncocytoma see Hurthle cell adenoma
Ondansetron
Ondine-Hirschsprung disease see Autonomic control, congenital failure of
Onychauxis
Onychocryptosis see Ingrowing nail
Onychogryphosis
Onychogryposis see Onychogryphosis
Onycholysis
Onychomycosis see Tinea unguium
Onychoosteodysplasia see Hereditary onycho-osteodysplasia
Onychophagia
Onychorrhexis
Onychotillomania
O'nyong-nyong fever
Open fracture
Open-angle glaucoma see Glaucoma, chronic simple
Ophthalmia see Endophthalmitis
Ophthalmia neonatorum
Ophthalmoplegia
Ophthalmoplegia, internal see Internal ophthalmoplegia
Opiate agonists
Opiates see Opiate agonists
Opioid agents see Opiate agonists
Opioid antagonists
Opipramol
Opisthorchiasis
Opisthorchis viverrini see Opisthorchiasis
Opisthotonus
Opitz trigonocephaly syndrome
Opitz-Frias syndrome
Opitz-Kaveggia syndrome
Opium
Oprelvekin see Interleukin 11
Opsismodysplasia
Opsoclonia see Opsoclonus
Opsoclonus
Opsoclonus myoclonus syndrome
Optic atrophy
Optic disc drusen
Optic disc hyaline bodies see Optic disc drusen
Optic disc hypoplasia see Optic nerve hypoplasia
Optic nerve disorder
Optic nerve head drusen see Optic disc drusen
Optic nerve head inflammation see Papillitis
Optic nerve hypoplasia
Optic nerve pathology see Optic nerve disorder
Optic neuritis
Optic neuromyelitis see Neuromyelitis optica
Optic pit
Oral aphthae see Aphthous stomatitis
Oral candidiasis
Oral dryness see Xerostomia
Oral frictional keratosis
Oral or pharynx carcinoma see Oropharyngeal cancer
Oral rehydration therapy
Oral submucous fibrosis
Oral ulceration
Oral-facial-digital syndrome type 1 see Orofaciodigital syndrome type 1
Oral-facial-digital syndrome type 2 see Mohr-Claussen syndrome
Oral-facial-digital syndrome type 3
Oral-facial-digital syndrome type 4 see Orofaciodigital syndrome type 4
Orbeli syndrome see Chromosome 13q deletion syndrome
Orbital cellulitis
Orbital inflammatory pseudotumor
Orbital mass
Orbital myositis see Orbital inflammatory pseudotumor
Orbital plasma cell granuloma see Orbital inflammatory pseudotumor
Orbital separation diminished see Hypotelorism, ocular
Orbital separation excessive see Hypertelorism, ocular
Orbital tumour see Orbital mass
Orchidectomy
Orchiectomy see Orchidectomy
Orchitis see Epididymo-orchitis
Orciprenaline see Metaproterenol
Orexin
Orf
Organic aciduria
Organic brain syndrome see Brain failure
Organic psychiatric syndrome see Brain failure
Organic solvent
Organophosphates
Orgasm loss
Oriental liver fluke disease see Clonorchiasis
Oriental lung fluke disease see Paragonimiasis
Orientia tsutsugamushi see Scrub typhus
Orlistat
Ormond's disease see Retroperitoneal fibrosis
Ornidazole
Ornithine carbamyltransferase deficiency
Ornithine ketoacid transaminase deficiency
Ornithine transcarbamylase deficiency see Ornithine carbamyltransferase deficiency
Ornithine translocase deficiency see Hyperornithinaemia-hyperammonaemia-homocitrullinuria syndrome
Ornithine transport defect see Hyperornithinaemia-hyperammonaemia-homocitrullinuria syndrome
Orofacial dyskinesia see Idiopathic orofacial dystonia
Orofacial-digital syndrome IV see Orofaciodigital syndrome type 4
Orofaciodigital syndrome type 1
Orofaciodigital syndrome type 2 see Mohr-Claussen syndrome
Orofaciodigital syndrome type 3 see Oral-facial-digital syndrome type 3
Orofaciodigital syndrome type 4
Orofaciodigital syndrome type 6 see Varadi-Papp syndrome
Oromandibular limb hypoplasia see Micrognathia with peromelia
Oropharyngeal cancer
Orotic aciduria, hereditary see Hereditary orotic aciduria
Oroya fever see Bartonellosis
Orphenadrine
Orthopaedic conditions
Orthostatic hypotension see Postural hypotension
Osanetant
Osborne waves see J waves (EKG)
Oseltamivir
Osgood-Schlatter's disease
Osler's nodes
Osler-Vaquez disease see Polycythaemia rubra vera
Osler-Weber-Rendu disease see Hereditary haemorrhagic telangiectasia
OSMED see Otospondylomegaepiphyseal dysplasia
Osmidrosis see Body odour
Osmolality low (plasma) see Osmolarity low (plasma)
Osmolality raised (plasma)
Osmolarity low (plasma)
Osmolarity raised (plasma) see Osmolality raised (plasma)
Osmotic demyelination syndrome see Central pontine myelinosis
Osmotic diarrhoea
Osmotic diuresis
Osmotic laxatives
Osmotic myelinolysis see Central pontine myelinosis
Ostealgia see Bone pain
Osteitis
Osteitis condensans
Osteitis deformans see Paget's disease of bone
Osteitis fibrosa cystica
Osteitis pubis
Ostelamivir see Oseltamivir
Osteoarthritis
Osteoarthrosis deformans see Kaschin-Beck disease
Osteoblastoma see Osteoid osteoma
Osteocartilaginous exostosis see Osteochondroma
Osteochalasia desmalis familiaris see Hyperostosis corticalis deformans juvenilis
Osteochondritis
Osteochondritis dissecans
Osteochondroma
Osteochondromatosis see Diaphyseal aclasis
Osteochondromuscular dystrophy see Schwartz-Jampel-Aberfeld syndrome
Osteochondrosis see Osteochondritis
Osteochondrosis of tarsal navicular see Kohler first disease
Osteoclastoma
Osteodermatopoikilosis see Osteopoikilosis
Osteodynia see Bone pain
Osteodysplastic geroderma see Geroderma osteodysplastica
Osteodysplastic primordial dwarfism type 1 see Taybi-Linder syndrome
Osteodysplasty (Melnick-Needles)
Osteodystrophy
Osteoectasia with hyperphosphatasia see Hyperostosis corticalis deformans juvenilis
Osteofibrous dysplasia
Osteogenesis imperfecta
Osteogenic sarcoma see Osteosarcoma
Osteoglophonic dysplasia
Osteoid osteoma
Osteolysis see Bone lysis
Osteolysis and angiomatous nevi see Gorham's vanishing bone disease
Osteomalacia
Osteomyelitis
Osteonecrosis
Osteopathia condensans disseminata see Osteopoikilosis
Osteopathia dysplastica familiaris see Hajdu-Cheney syndrome
Osteopathia striata with cranial sclerosis
Osteopenia
Osteopetrosis (benign)
Osteopetrosis (malignant)
Osteopetrosis with renal tubular acidosis see Carbonic anhydrase type 2 deficiency
Osteophyma see Exostoses
Osteophyte see Exostoses
Osteophytosis see Exostoses
Osteopoikilosis
Osteopontin
Osteoporosis
Osteoporosis-pseudoglioma syndrome
Osteosarcoma
Osteosclerosis
Osteosclerotic myeloma see POEMS syndrome
Otalgia see Ear pain
Otitic hydrocephalus see Idiopathic intracranial hypertension
Otitis externa
Otitis media, serous see Nonsuppurative otitis media
Otitis media, suppurative see Suppurative otitis media
Otodental dysplasia
Otopalatodigital syndrome type 1
Otopalatodigital syndrome type 2
Otorrhoea
Otosclerosis
Otospondylomegaepiphyseal dysplasia
Ototoxicity see Sensorineural hearing loss
Otto's pelvis see Arthrokatadysis
Ovalocytosis see Elliptocytosis
Ovarian agenesis see Gonadal dysgenesis (female)
Ovarian cancer
Ovarian cyst
Ovarian failure (idiopathic) see Idiopathic premature ovarian failure
Ovarian hyperstimulation syndrome
Ovarian resistance syndrome see FSH receptor deficiency
Ovarian torsion
Ovarian tubal ligation
Ovariectomy
Overactive bladder see Detrusor instability
Overflow diarrhoea see Faecal impaction
Ovotestis see True hermaphroditism
Ovulation pain see Mittelschmerz
Owren's disease
Oxabolone cypionate
Oxacillin
Oxalate blood sample
Oxaliplatin
Oxaliplatine see Oxaliplatin
Oxalobacter formigenes
Oxalosis type 1 see Hyperoxaluria, primary type 1
Oxalosis type 2 see Hyperoxaluria, primary type 2
Oxalosis, primary type 1 see Hyperoxaluria, primary type 1
Oxamniquine
Oxandrolone
Oxaprozin
Oxatomide
Oxazepam
Oxazolam
Oxazolidinediones
Oxazolidinones
Oxcarbazepine
Oxetacain see Oxethazaine
Oxethazaine
Oxiconazole
Oximes
Oxitropium
Oxpentifylline see Pentoxifylline
Oxprenolol
Oxtriphylline
Oxybuprocaine
Oxybutynin
Oxycodone
Oxygen
Oxymesterone
Oxymetazoline
Oxymetholone
Oxymorphone
Oxypertine
Oxyphenbutazone
Oxyphencyclimine
Oxyphenisatin see Oxyphenisatine
Oxyphenisatine
Oxyphenonium
Oxyphilic adenoma see Hurthle cell adenoma
Oxyquinoline
Oxytetracycline
Oxytocin
Oxytocin receptor antagonists
Oxytropium bromide see Oxitropium
Oxyuris vermicularis see Threadworm