Conditions that start with ‘O’
- obesity due to bardet-biedl syndrome
- obesity due to leptin receptor (lepr) deficiency
- obesity due to proopiomelanocortin (pomc) deficiency
- obesity due to proprotein convertase subtilisin/kexin type 1 (pcsk1) deficiency
- obsessive-compulsive disorder
- obstructive hydrocephalus
- obstructive pulmonary disease
- ocular histoplasmosis
- ocular hypertension
- ocular inflammation
- ocular irritation
- ocular itching
- ocular redness
- ocular rosacea
- ocular surface squamous neoplasia
- ocular symptom associated with allergic rhinitis
- oily skin
- oligoarticular juvenile idiopathic arthritis
- oligodendroglioma
- omphalitis of newborn
- onchocerciasis
- onychomycosis due to dermatophyte
- open angle glaucoma
- open heart surgery infection prevention
- operation on lens
- ophthalmia neonatorum
- ophthalmia sympathetic
- ophthalmic angiography
- opioid induced respiratory depression prophylaxis
- opioid overdose
- opioid use disorder
- opioid withdrawal symptoms
- opioid-induced constipation
- opioid-induced respiratory depression
- opisthorchiasis
- optic neuritis
- oral candidiasis
- oral lichen planus
- oral ulcers associated with behcet's disease
- organ transplant rejection
- organophos insecticide poisoning
- organophosphorous overdose
- ornithine carbamoyltransferase deficiency
- oropharyngeal candidiasis
- osteoarthritis
- osteoarthritis in patient at high gastric ulcer risk
- osteoarthritis of the knee
- osteogenesis imperfecta
- osteolytic bone metastases of breast cancer
- osteomalacia
- osteomyelitis
- osteopenia of prematurity
- osteoporosis
- osteoporosis in male patient
- osteoporosis in postmenopausal woman at high risk for fracture
- osteosarcoma of bone
- otitis externa
- otitis externa eczema
- otitis externa seborrhea
- ovarian follicle maturation induction
- ovarian function studies
- ovarian germ cell tumor carcinoma
- ovulation stimulation