Health encyclopedia: O
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- obesity
- obesity in children
- obesity surgery also see weight loss surgery
- obsessive-compulsive disorder
- occupational health
- occupational health for healthcare providers
- occupational injuries also see occupational health
- occupational therapy also see rehabilitation
- ocd also see obsessive-compulsive disorder
- oil spills
- ombudsman programs also see patient rights
- omega-3 fatty acids also see dietary fats
- oncology also see cancer
- onychomycosis also see nail diseases
- open heart surgery also see heart surgery
- open spine also see spina bifida
- operation also see surgery
- ophthalmology also see eye diseases
- opiates also see drug abuse; heroin
- opportunistic infections in aids also see hiv/aids and infections
- oral cancer
- oral health also see dental health
- oral health, child also see child dental health
- oral herpes also see cold sores
- oral tobacco also see smokeless tobacco
- organ donation
- organ transplantation
- oropharyngeal cancer also see throat cancer
- orthodontia
- orthostatic hypotension also see autonomic nervous system disorders; low blood pressure
- orthostatic intolerance also see autonomic nervous system disorders
- osteitis deformans also see paget's disease of bone
- osteoarthritis
- osteogenesis imperfecta
- osteomyelitis also see bone infections
- osteonecrosis
- osteopenia also see bone density
- osteoporosis
- osteosarcoma also see bone cancer
- ostomy
- otc medicines also see over-the-counter medicines
- otitis media also see ear infections
- ovarian cancer
- ovarian cysts
- ovarian disorders
- ovarian insufficiency also see ovarian disorders; premature ovarian failure
- over-the-counter medicines
- overactive bladder
- overactive thyroid also see hyperthyroidism
- overweight also see body weight; obesity
- oxygen therapy
- ozone
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- Also see Glossary of terms and medical terms
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Contributors: Prab R. Tumpati, MD