Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Diseases & Conditions A-Z List - O: Detailed Datasheet
Medically reviewed by Min Clinic Staff | Updated: January 2026
Oa-OsOt-Oz
OOa-Os
- OAB (Overactive Bladder)
- Obesity (Weight Loss)
- Objects Or Insects In Ear
- Obsessive Compulsive Disorder (OCD)
- Occipital Neuralgia
- Occult Fecal Blood Test (Fecal Occult Blood Tests)
- Occupational Asthma
- Occupational Asthma (Occupational Asthma)
- Occupational Therapy for Arthritis (Arthritis Physical and Occupational Therapy)
- OCPs (Hormonal Methods of Birth Control)
- Ocular Melanoma (Uveal or Intraocular Melanoma)
- OGTT (Glucose Tolerance Test)
- OK to Exercise Workout First Trimester Pregnancy
- Oldest Age a Woman Can Get Pregnant Naturally
- Omega-3 Fatty Acids
- Onchocerciasis
- Onychocryptosis (Ingrown Toenail)
- onychomycosis (Fungal Nails)
- Oophorectomy (Hysterectomy)
- Open Inguinal Hernia Repair
- Optic Neuritis
- Oral Cancer
- Oral Candiasis Children (Thrush and Other Yeast Infections in Children)
- Oral Care (Teeth and Gum Care)
- oral cavity cancer (Oral Cancer)
- Oral Cholecystogram
- Oral Glucose Tolerance Test (Glucose Tolerance Test)
- Oral Health and Bone Disease
- Oral Health Problems in Children
- Oral Moniliasis Children (Thrush and Other Yeast Infections in Children)
- Oral Surgery
- Orgasm Female (Sexual (Sex) Problems in Women)
- Orgasm Male (Sexual (Sex) Problems in Men)
- Orthostatic Hypotension
- Osgood-Schlatter Disease
- Osgood-Schlatter Disease (Osgood-Schlatter Disease)
- osteitis deformans (Paget's Disease)
- Osteoarthritis
- Osteoarthritis and Treatment
- Osteoarthritis vs Osteoporosis Differences Similar
- Osteoarthritis vs. Rheumatoid Arthritis
- Osteoblast vs Osteoclast
- Osteoblasts Mature Bone Cells
- Osteochondral Grafting of Articular Cartilage
- Osteochondritis Dissecans
- Osteodystrophy
- Osteogenesis Imperfecta Brittle Bone Disease
- osteomalacia (Rickets)
- Osteomyelitis
- Osteopenia
- Osteoporosis
OOt-Oz
- OT for Arthritis (Arthritis Physical and Occupational Therapy)
- otitis (Ear Infection)
- Otitis Externa
- otitis externa (Otitis Externa)
- Otoacoustic Emission (Newborn Infant Hearing Screening)
- Otoplasty
- Ovarian Cancer
- Ovarian Cysts
- Ovarian, Fallopian Tube, Primary Peritoneal Cancer
- Ovary Removal (Hysterectomy)
- Over-the-Counter ED Treatment Like Viagra
- Overactive Bladder
- Overactive parathyroid (Hyperparathyroidism)
- overactive thyroid (Hyperthyroidism)
- Overload Iron (Iron Overload)
- overuse syndrome (Repetitive Motion Disorders (RMDs))
- Ovulation Calculator and Fertility Calendar
- Ovulation Indicator Testing Kits (Natural Methods of Birth Control)
- Oximetry
- Oxycodone vs OxyContin