Conditions associated with Mouth ulcers

Condition	Number of Mouth ulcers reports
Oa	77
Obesity	3
Obsessive-compulsive disorder	6
Obsessive-compulsive neurosis	4
Ocd	6
Ocular sarcoidosis	2
Odynophagia	2
Oedema	30
Oedema aggravated	30
Oedema peripheral	3
Oesophageal cancer metastatic	1
Oesophageal carcinoma	7
Oesophageal disorder	2
Oesophageal ulcer	3
Oesophagitis	4
Oligodendroglioma	1
Oliguria	7
Onchocerciasis	4
Onychomycosis	23
Open angle glaucoma	19
Open wound	16
Ophthalmalgia	4
Oppositional defiant disorder	1
Opsoclonus myoclonus	3
Oral cancer	10
Oral candidiasis	19
Oral contraception	15
Oral disorder	1
Oral fungal infection	28
Oral herpes	20
Oral infection	15
Oral lichen planus	2
Oral mucosal blistering	1
Oral pain	27
Oral soft tissue disorder	1
Oral ulcer	79
Oropharyngeal pain	15
Orthostatic hypotension	2
Osgood-schlatter disease	3
Osteitis deformans	8
Osteoarthritis	82
Osteoarthritis aggravated	82
Osteoarthrosis	73
Osteochondrosis	3
Osteolysis	1
Osteomalacia in children	6
Osteomyelitis	16
Osteonecrosis	2
Osteopenia	189
Osteoporosis	866