O - diseases

- o'higgins disease - O'Sullivan-McLeod syndrome - OA - OAB - OAG - oat cell carcinoma - obese - obesity - obesity associated cancer - obesity hypoventilation syndrome - obesity syndrome x - obesity-related cancer - obesity-related glomerulonephropathy - obliterative phlebitis - obliterative portal venopathy - obscure gastrointestinal bleeding - obscure gastrointestinal hemorrhage - obscure gi bleeding - obscure gi hemorrhage - observation hip - obsession - obsessive - obsessive-compulsive disorder - obstetric cholestasis - obstetric hemorrhage - obstetrical hemorrhage - obstructed airway - obstructed bowel - Obstruction of Bile Duct - Obstruction Of Eustachian Tube - obstruction of the bile duct - obstructive airway disease - obstructive azoospermia - obstructive lung disease - obstructive pulmonary disease - obstructive shock - obstructive sleep apnea - Obstructive Sleep Apnea Hypopnea Syndrome - obstructive sleep apnea syndrome - Obstructive Sleep Apnea-Hypopnea Syndrome - Obstructive Sleep Apnea/Hypopnea Syndrome - obstructive sleep hypopnea syndrome - obstructive uropathy - obtundation - obtunded - obturator sign - occipital horn syndrome - occipital neuralgia - occlusion of coronary artery - occult spinal dysraphism sequence - occupational asthma - occupational exposure - occupational lung disease - OCD - ochronosis - ocular albinism type 1 - ocular albinism with late-onset sensorineural deafness - ocular albinism with sensorineural deafness - ocular bobbing - ocular burn - ocular chemical burn - ocular coloboma - ocular deviation - ocular disease - ocular erythema - ocular foreign body - ocular foreign body sensation - ocular hemorrhage - ocular Herpes simplex - ocular herpes zoster - ocular hypotony - ocular infection - ocular inflammation - ocular injury - ocular pain - ocular shingles - ocular toxoplasmosis - ocular trauma - oculocutaneous albinism type 1 - oculocutaneous albinism type 2 - oculocutaneous albinism type 3 - oculocutaneous albinism type 4 - oculodigitoesophagoduodenal syndrome - oculoleptomeningeal type amyloidosis - oculomotor apraxia - oculomotor nerve palsy - oculopharyngeal muscular dystrophy - oculovestibular reflex - odontalgia - odontogenic cyst - odontogenic neoplasm - odontoma - odontoonychodermal dysplasia - odynophagia - office hypertension - Ogilvie's syndrome - Oguchi disease - oguchi disease-2 - Oguchi disease/RHOK mutation - Ohdo-Hirayama-Terawaki syndrome - ohio valley fever - Ohtahara syndrome - OI - OIC - oily evacuation - Okihiro syndrome - OLD - old timer disease - old timer's disease - old timers disease - olecranon bursitis - olfaction deficit - olfactory deficit - olfactory disorder - olfactory dysfunction - olfactory hallucination - olfactory impairment - olfactory neuroblastoma - olfactory reference syndrome - oligoarthritis - oligoarticular arthritis - oligoblastic leukemia - oligodendroblastoma - oligodendroglioma - oligodontia-colorectal cancer syndrome - oligohydramnios - oligomeganephronia - oligomenorrhea - oligospermia - oliguria - oliguric - olisthesis - olivopontocerebellar atrophy - olivopontocerebellar atrophy type 1 - olivopontocerebellar atrophy type 3 - olivopontocerebellar degeneration - Ollier's disease - Omenn syndrome - omodysplasia - omphalitis - omphalocele - onchocerciasis - onchocercosis - oncocytic thyroid adenoma - oncocytoma - oncogenic osteomalacia - oncosis (ischemic cell death) - Ondine's curse - onychocryptosis - onychodystrophia mediana canaliformis - onychodystrophy - onychogryphosis - onycholysis - onychomycoses - onychomycosis - onychoosteodysplasia - onychorrhexis - oophoritis - oophoritis & salpingitis - oophoritis and salpingitis - OP - OPCA - OPCD - OPD1 - Open Angle with Borderline Findings - open fracture - open-angle glaucoma - open-angle glaucoma (OAG) - opening snap (OS) - operational fatigue - ophiasis - ophthalmia - ophthalmia neonatorum - ophthalmia nodosa - ophthalmic herpes zoster - ophthalmitis - ophthalmoparesis - ophthalmopathy - ophthalmoplegia - ophthalmoplegic - opiate abuse - opiate addiction - opiate dependence - opiate induced constipation - opiate misuse - opiate overdose - opiate poisoning - opiate toxicity - opiate use - opiate withdrawal - opioid abuse - opioid addiction - opioid dependence - opioid induced hyperesthesia - opioid misuse - Opioid Overdose - opioid poisoning - opioid receptor agonist toxicity - opioid receptor receptor overdose - opioid receptor receptor poisoning - opioid toxicity - opioid use - opioid use disorder - opioid withdrawal - opioid-induced constipation - opioid-induced gastrointestinal hyperalgesia - opioid-induced hyperalgesia - opisthorchiasis - opisthotonos - opisthotonus - Opitz syndrome - Opitz trigonocephaly syndrome - Opitz trigonocephaly-like syndrome - opportunistic infection - optic atrophy - optic atrophy 1 - optic atrophy plus syndrome - optic atrophy-polyneuropathy-deafness - optic nerve disorder - optic neuritis - optic neuromyelitis - optic neuroretinitis - opticoacoustic nerve atrophy with dementia - oral & cutaneous lesion - oral & cutaneous lesions - oral cancer - oral cavity infection - oral facial dyskinesia - oral facial dystonia - oral hairy leukoplakia - oral infection - oral lesion - oral lesions of HIV & AIDS - oral mucosa pigmented lesion - oral mucosa vesicular/bullous/ulcerative lesion - oral mucosa white lesion - oral pain - oral sore - oral ulceration - oral-facial-digital syndrome - orange peel induration - orbital cellulitis - orbital compartment syndrome - orbital edema - orbital fracture - orbital infection - orbital inflammation - orbital neoplasm - orbital pain - orbital tumor - orchitis - organic toxic dust syndrome - organoid nevus - organophosphate insecticide poisoning - organophosphate insecticide toxicity - organophosphate pesticide poisoning - organophosphate poisoning - organophosphate toxicity - organophosphorous overdose - organophosphorous poisoning - organophosphorous toxicity - organophosphorus poisoning - organophosphorus toxicity - oriental sore - ormond disease - ormond's disease - ormonds disease - ornithine carbamoyltransferase deficiency - ornithine hyperammonemia - ornithosis - orofacial cleft - orofacial dyskinesia - orofacial dystonia - orofacial muscular imbalance; tongue thrust; reverse swallow; immature swallow - oropharyngeal cancer - oropharyngeal candidiasis - oropharyngitis - orotic aciduria - orthodeoxia - orthodromic AV reciprocating tachycardia - orthopedic disorders in the elderly - orthopnea - orthorexia nervosa - orthostatic headache - orthostatic hypotension - orthostatic hypotension in Parkinson's disease - orthostatic syncope - orthostatic tremor - OSA - Osgood Schlatter disease - Osgood-Schlatter disease - osler nodes - Osler's node - osler's nodes - Osler-Weber-Rendu syndrome - Osler-Weber-Rendu syndrome 2 - oslers nodes - osmidrosis - osmoregulation defect - osmoregulation disorder - osmoregulatory defect - osmotic demyelination syndrome - osmotic diarrhea - osmotic diuresis - ossification of the posterior longitudinal ligament - osteitis condensans ilii - osteitis fibrosa cystica - osteitis pubis - osteoarthritis - osteoarthritis of the 1st carpometacarpal joint - osteoarthritis of the foot - osteoarthritis of the hand - osteoarthritis of the hip - osteoarthritis of the knee - osteoarthritis of the shoulder - osteoarthritis of the spine - osteoarthritis, hip joint - osteoarthritis, knee - osteoarthrosis - osteocartilagenous exostosis - osteochondritis dessicans - osteochondritis dissecans - osteochondrodysplasia - osteochondroma - osteochondroma - osteochondromatosis - osteochondrosis - osteoclastoma - osteodystrophy - osteogenesis imperfecta - osteogenesis imperfecta ocular form - osteogenesis imperfecta type 1 - osteogenesis imperfecta type 10 - osteogenesis imperfecta type 2 - osteogenesis imperfecta type 3 - osteogenesis imperfecta type 4 - osteogenesis imperfecta type I - osteogenesis imperfecta type II - osteogenesis imperfecta type III - osteogenesis imperfecta type IV - osteogenesis imperfecta type IV with normal sclera - osteogenesis imperfecta with congenital joint contractures - osteogenesis imperfecta with unusual skeletal lesions - osteogenic bone tumor - osteogenic neoplasm - osteogenic sarcoma - osteogenic tumor - osteogenic tumour - osteoglophonic dwarfism - osteoglophonic dysplasia - osteoid osteoma - osteolysis - osteolytic lesion - osteomalacia - osteomyelitis - osteomyelitis ankle foot - osteomyelitis ankle/foot - osteomyelitis of the spine - osteonecrosis - osteonecrosis of the jaw - osteopathia - osteopathia consensans disseminata - osteopathia striata with cranial sclerosis - osteopenia - osteopetrosis - osteoporosis - osteoporosis pseudoglioma syndrome - osteoporotic fracture - osteoporotic sacral fracture - osteopsathyrosis - osteosarcoma - osteosarcopenia - Ostertag-type amyloidosis - otalgia - Othello syndrome - otitis externa - otitis media - otitis media with effusion - otitis media with effusion (middle ear effusion) - oto palato digital syndrome spectrum disorder - oto-palato-digital syndrome spectrum disorder - otofaciocervical syndrome - otomycosis - otopalatodigital syndrome - otopalatodigital syndrome type 1 - otopalatodigital syndrome type-1 - otopalatodigital syndrome type-2 - otopalatodigital syndrome-1 - otorrhea - otosclerosis - ototoxicity - outward rolling of eyelid - outward rolling of margin of eyelid - ovarian abscess - ovarian agenesis - ovarian cancer - ovarian cyst - ovarian dysgenesis 1 - ovarian dysgenesis 2 - ovarian dysgenesis type 2 - ovarian dysgenesis type-2 - ovarian dysgerminoma - Ovarian Germ Cell Tumor - ovarian hemorrhage - ovarian hyperstimulation syndrome - ovarian hyperthecosis - ovarian remnant syndrome - ovarian vein syndrome - overactive bladder - overactive reflexes - overanxious disorder - overdose - overflow incontinence - overgrowth malformation syndrome - overgrowth syndrome - overlap connective tissue disease - overnight hypoglycemia - overriding aorta - overtraining syndrome - overuse syndrome - overweight - Owren parahemophilia - oxidative stress - oxycephaly - Oxygen desaturation in the upright position - Oxygen desaturation in upright position - Oxygen desaturation when sitting - Oxygen desaturation when standing - oxyphilic adenoma - ozostomia