Symptoms

Oral aversion

Oral bleeding

Oral blisters

Oral bruise

Oral candida

Oral cavity bleeding

Oral cavity telangiectasia

Oral discomfort

Oral erythroplakia

Oral hairy leukoplakia

Oral infection

Oral leukoplakia

Oral lichenoid lesion

Oral melanoacanthoma

Oral melanotic macule

Oral membrane ulcers

Oral motor hypotonia

Oral mucosa nodule

Oral mucosa plaque

Oral mucosal blisters

Oral mucosal papule

Oral pain on eating

Oral pain when speaking

Oral problem

Oral red patches

Oral synechia

Oral ulcer

Oral white patches

Oral-pharyngeal dysphagia

Orange

Orange colored skin

Orange colored urine

Orange discolored tonsils

Orange stool

Orange urine

Orange-brown nail patches in children

Orangeness

Orangish urine

Orbital cleft

Orbital craniosynostosis

Orbital cyst

Orbital inflammation

Orbital rhabdomyosarcoma

Orbital schwannoma

Orchitis

Orchititis

Organ abscess

Organ abscesses

Organ problem

Organic aciduria

Organized thrombi within interlobular vein lumen

Organizing pneumonia

Orgasm

Ornithinuria

Orofacial action-specific dystonia induced by speech

Orofacial cleft

Orofacial dyskinesia

Oromandibular dystonia

Oromotor apraxia

Oropharyngeal squamous cell carcinoma

Oropharyngeal squamous papilloma

Oropharynx problem

Orotic acid crystalluria

Oroticaciduria

Orthodeoxia

Orthodromic atrioventricular reentrant tachycardia

Orthokeratosis

Orthokeratotic hyperkeratosis

Orthopnea

Orthostatic hypotension

Orthostatic hypotension due to autonomic dysfunction

Orthostatic syncope

Orthostatic tachycardia

Orthotopic os odontoideum

Os odontoideum

Os trigonum

Oscillopsia

Osmotic diarrhea

Osseous atresia of the external auditory canal

Osseous finger syndactyly

Osseous stenosis of the external auditory canal

Osseous syndactyly of toes

Ossifying fibroma

Ossifying fibroma of the jaw

Osteoarthritis

Osteoarthritis of the distal interphalangeal joint

Osteoarthritis of the elbow

Osteoarthritis of the first carpometacarpal joint

Osteoarthritis of the small joints of the hand

Osteoblastoma

Osteochondral lesion of talus

Osteochondritis dissecans

Osteochondroma

Osteochondromyxoma

Osteochondrosis

Osteoid osteoma

Osteolysis

Osteolysis involving bones of the feet

Osteolysis involving bones of the lower limbs

Osteolysis involving bones of the upper limbs