Health Topics A to Z Index

• OAV Spectrum
• OAVS
• Obesity
• Obesity Surgery, Deciding About
• Obesity, Biliopancreatic Diversion for
• Obesity, Deciding About Medications for Treatment
• Obesity, Gastric Banding for
• Obesity, Gastric Bypass for
• Obesity, Stomach Stapling for
• Objects in the Ear
• Objects in the Eye
• Objects in the Nose
• Obrinsky Syndrome
• Obsessive Compulsive Disorder (OCD), Deciding About Medicines
• Obsessive-Compulsive Disorder (OCD)
• Obstetric Panel
• Obstructive Hypertrophic Cardiomyopathy
• Obstructive Sleep Apnea
• Obstructive Sleep Apnea, Adenoidectomy for
• Obstructive Sleep Apnea, Continuous Positive Airway Pressure (CPAP) Therapy for
• Obstructive Sleep Apnea, CPAP (Continuous Positive Airway Pressure) Therapy for
• Obstructive Sleep Apnea, Deciding About a Sleep Study
• Obstructive Sleep Apnea, Deciding About Surgery
• Obstructive Sleep Apnea, Tonsillectomy for
• Obstructive Sleep Apnea, Tracheostomy for
• Obstructive Sleep Apnea, Uvulopalatopharyngoplasty for
• OCC Syndrome
• Occipital Horn Syndrome
• Occlusive Peripheral Vascular Disease
• Occlusive Thromboaortopathy
• OCCS
• Occult Intracranial Vascular Malformations
• Occult Spinal Dysraphism Sequence
• Occupational Therapy
• OCD (Obsessive Compulsive Disorder)
• OCD (Obsessive Compulsive Disorder), Deciding About Medicines
• Ocean Stings and Scrapes
• Ochoa Syndrome
• Ochronosis
• Ochronotic Arthritis
• OCRL
• OCRL 1
• OCRL1
• Ocular Motor Apraxia, Cogan Type
• Oculo Dento Digital Dysplasia
• Oculo-Auriculo-Vertebral Dysplasia
• Oculo-Auriculo-Vertebral Spectrum
• Oculo-Bucco-Genital Syndrome
• Oculo-Dento-Digital Dysplasia
• Oculo-Dento-Osseous Dysplasia
• Oculocerebral Syndrome with Hypopigmentation
• Oculocerebrocutaneous Syndrome
• Oculocerebrorenal Dystrophy
• Oculocerebrorenal Syndrome
• oculocerebrorenal syndrome of Lowe
• Oculocraniosomatic Syndrome (obsolete)
• Oculocutaneous Albinism
• Oculocutaneous Albinism, Chediak-Higashi Type
• Oculodentodigital Dysplasia
• Oculomandibulodyscephaly with hypotrichosis
• Oculomandibulofacial Syndrome
• oculomotor apraxia, Cogan type
• Oculosympathetic Palsy
• ODD Syndrome
• ODDD
• ODOD
• Odontogenic Tumor
• OFD Syndrome
• Office Ergonomics
• OHD
• OI
• Old Age Pemphigus
• Older Adult Health; Learning About
• Oldfield Syndrome
• Olecranon Bursitis (Popeye Elbow)
• Oligohydramnios Sequence
• oligophrenic polydystrophy
• Olivopontocerebellar Atrophy, Hereditary
• Ollier Disease
• Omphalocele-Visceromegaly-Macroglossia Syndrome
• Ondine curse, congenital
• Ondine-Hirschsprung disease, included
• Onion-Bulb Neuropathy
• Onychomycosis
• Onychoosteodysplasia
• Oophorectomy
• Oophorectomy to prevent ovarian cancer, deciding about
• Opalescent Dentin
• OPD Syndrome
• Open carpal tunnel surgery for carpal tunnel syndrome
• Open gallbladder surgery for gallstones
• Open inguinal hernia repair (herniorrhaphy, hernioplasty)
• Open prostatectomy for benign prostatic hyperplasia
• Open surgery for kidney stones
• Open-joint arthroplasty for TM disorders
• Ophthalmoarthropathy
• Ophthalmomyopathia congenita
• Ophthalmoplegia imperfecta
• Ophthalmoplegia Plus Syndrome
• Ophthalmoplegia Syndrome
• Ophthalmoplegia, Painful
• Ophthalmoplegia, Pigmentary Degeneration of the Retina and Cadiomyopathy
• Ophthalmoplegia, Recurrent
• Opitz BBB Syndrome
• Opitz BBB/G Compound Syndrome
• Opitz BBBG Syndrome
• Opitz BBBG Syndrome
• Opitz G Syndrome
• Opitz G/BBB Syndrome
• Opitz Hypertelorism-Hypospadias Syndrome
• Opitz Oculogenitolaryngeal Syndrome
• Opitz Syndrome
• Opitz Trigonocephaly Syndrome
• Opitz-Frias Syndrome
• Opitz-Frias Syndrome
• Opitz-G Syndrome
• Opitz-Kaveggia Syndrome
• OPMD
• Opportunistic Infections
• Opsoclonic Encephalopathy
• Opsoclonus-Myoclonus Syndrome
• Opthalmoneuromyelitis
• Optic Atrophy, Polyneuropathy, and Deafness
• Optic Nerve Papillitis
• Optic Neuroencephalomyelopathy
• Optic Neuromyelitis
• Opticomyelitis
• Oral Cancer
• Oral cancer: Prevention - Patient Information [NCI PDQ]
• Oral cancer: Screening - Patient Information [NCI PDQ]
• Oral cavity cancer (lip and oral cavity cancer): Prevention - Health Professional Information [NCI PDQ]
• Oral cavity cancer (lip and oral cavity cancer): Screening - Health Professional Information [NCI PDQ]
• Oral cavity cancer (lip and oral cavity cancer): Treatment - Health Professional Information [NCI PDQ]
• Oral cavity cancer (lip and oral cavity cancer): Treatment - Patient Information [NCI PDQ]
• Oral Galvanism
• Oral-facial Dyskinesia
• Oral-Facial-Digital Syndrome
• Orbital Cyst with Cerebral and Focal Dermal Malformations
• Orchiectomy
• Orchiopexy for undescended testicle
• Organ Transplant
• Organic Personality Syndrome
• Ormond's Disease
• Ornithine Carbamyl Transferase Deficiency
• Ornithine Transcarbamylase Deficiency
• Ornithosis
• Orocraniodigital Syndrome
• Orofaciodigital Syndrome
• Oromaxillary Fistula Repair
• Oropharyngeal cancer: Treatment - Health Professional Information [NCI PDQ]
• Oropharyngeal cancer: Treatment - Patient Information [NCI PDQ]
• Orthodontics
• Orthopedic surgery for cerebral palsy
• Osgood Schlatter Condition
• Osgood-Schlatter's Disease
• Osler-Vaquez Disease
• Osler-Weber Rendu Syndrome
• OSMED, Heterozygous
• OSMED, Homozygous
• Osseous dysplasia with mental retardation, Ruvalcaba type
• Osseous-Oculo-Dento Dysplasia
• Osteitis Fibrosa Disseminata
• Osteoarthritis
• Osteoarthritis, Exercising with
• Osteoarthritis, Osteotomy for
• Osteochondroplasia
• Osteochondrosis of the Lunate Bone
• Osteochondrosis, Tibial Tubercle
• Osteodysplasty of Melnick and Needles
• Osteogenesis Imperfecta
• Osteohypertrophic Nevus Flammeus
• Osteomyelitis
• Osteonecrosis
• Osteopathy
• Osteopenia
• Osteopetrosis
• Osteoporosis
• Osteoporosis Treatment with Bisphosphonates, Deciding About
• Osteosarcoma/Malignant Fibrous Histiocytoma of Bone Treatment (PDQ®): Treatment - Health Professional Information [NCI PDQ]
• Osteosarcoma/Malignant Fibrous Histiocytoma of Bone: Treatment - Patient Information [NCI PDQ]
• Osteosclerosis
• Osteosclerosis Fragilis Generalisata
• Osteotomy for osteoarthritis
• Ostomy, Caring for
• OTC (Over-the-Counter) Medications and Products
• OTC Deficiency
• Other Types of Counseling for PTSD
• Otitis Media (Ear Infections)
• Oto-Spondylo-Megaepiphyseal Dysplasia, Autosomal Dominant
• oto-spondylo-megaepiphyseal dysplasia, autosomal recessive
• Oto-Spondylo-Megaepiphyseal Dysplasia, Heterozygous
• oto-spondylo-megaepiphyseal dysplasia, homozygous
• Otopalatodigital Syndrome Type I and II
• Oudtshoorn Skin
• Outdoor Allergens, Avoiding
• Outpatient Services
• Ovarian and Breast Cancer (BRCA) Genetic Test
• Ovarian Cancer
• Ovarian Cancer, Hysterectomy for
• Ovarian cancer: Prevention - Patient Information [NCI PDQ]
• Ovarian Cyst, Surgery for
• Ovarian Cysts, Functional
• Ovarian Dwarfism, Turner Type
• Ovarian epithelial cancer: Prevention - Health Professional Information [NCI PDQ]
• Ovarian epithelial cancer: Screening - Health Professional Information [NCI PDQ]
• Ovarian epithelial cancer: Screening - Patient Information [NCI PDQ]
• Ovarian epithelial cancer: Treatment - Health Professional Information [NCI PDQ]
• Ovarian epithelial cancer: Treatment - Patient Information [NCI PDQ]
• Ovarian Hyperthecosis
• Ovarian low malignant potential tumors: Treatment - Health Professional Information [NCI PDQ]
• Ovarian low malignant potential tumors: Treatment - Patient Information [NCI PDQ]
• Ovarian Syndrome
• Ovary Aplasia, Turner Type
• Over-the-Counter Medications and Products
• Overactive Bladder
• Overactive Thyroid
• Overgrowth syndrome
• Overweight Child
• Oxalosis
• Oxygen treatment for chronic obstructive pulmonary disease (COPD)
• Oxygen Use at Home