Ob
Obesity
Obesity, childhood
Obsessive-compulsive disorder (OCD)
Obstetric cholestasis
Obstructive sleep apnea
Obstructive sleep apnea in children
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Oc
Occupational asthma
OCD
Ocular albinism
See
Albinism
Ocular rosacea
Oculocutaneous albinism
See
Albinism
Oculosympathetic palsy
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Or
Oral cancer
See
Mouth cancer
Oral candidiasis
See
Oral thrush
Oral lichen planus
Oral thrush
Orchitis
Orthostatic hypotension (postural hypotension)
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Os
Osteoarthritis
Osteoarthritis, cervical
Osteochondritis dissecans
Osteogenic sarcoma
See
Osteosarcoma
Osteomyelitis
Osteonecrosis
Osteophytes
See
Bone spurs
Osteoporosis
Osteosarcoma
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Ov
Ovarian cancer
Ovarian cysts
Ovarian hyperstimulation syndrome
Overactive bladder
Overactive thyroid
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