Conditions associated with High blood pressure

Condition	Number of High blood pressure reports
Oncologic complication	15
Onychoclasis	11
Onychocryptosis	1
Onychomycosis	99
O'nyong-nyong fever	1
Oophoritis	2
Open angle glaucoma	1301
Ophthalmalgia	21
Oppositional defiant disorder	9
Opsoclonus myoclonus	1
Optic disc disorder	2
Optic nerve disorder	7
Optic neuritis	30
Optic neuropathy	6
Oral allergy syndrome	1
Oral cancer	46
Oral candidiasis	68
Oral contraception	123
Oral discomfort	7
Oral disorder	9
Oral fungal infection	5
Oral herpes	190
Oral pain	20
Oral surgery	7
Oral ulcer	39
Orchitis	2
Organic erectile dysfunction	3
Organising pneumonia	10
Oropharyngeal cancer stage unspecified	2
Oropharyngeal discomfort	6
Oropharyngeal pain	116
Orthopnoea	1
Orthostatic hypertension	10
Orthostatic hypotension	1319
Osgood-schlatter disease	5
Osler's disease	5
Osteitis	12
Osteitis deformans	67
Osteoarthritis	2110
Osteoarthritis aggravated	2110
Osteoarthrosis	2071
Osteochondrosis	5
Osteogenesis imperfecta	15
Osteolysis	15
Osteomalacia	3
Osteomalacia in children	420
Osteomyelitis	98
Osteomyelitis chronic	1
Osteonecrosis	30
Osteonecrosis of jaw	28