Free Online Database Of Diseases, Illnesses & Ailments


Here you can look through thousands of and diseases, ailments, medical conditions and illnesses. You can find the symptoms. Read about any ailment's diagnosis and find medications that can be used and the correct treatments that are needed.

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Diseases, Illnesses & Ailments Starting from Letter O

  1. Oral And Throat Cancer
    Oral and throat cancer is a type of cancer affecting the mouth, lips, tongue, gums, salivary glands, and a portion of the throat behind the mouth. It is also alternatively called oropharyngeal cancer. [read more]

  2. Oral Cancer
    Oral cancer is any cancerous tissue growth located in the mouth. It could arise as a primary lesion originating in any of the oral tissues, by metastasis from a distant site of origin, or by extension from a neighboring anatomic structure, such as the nasal cavity or the maxillary sinus. [read more]

  3. Oral Candidiasis
    Oral candidiasis pertains to a yeast fungus (Candida albicans) infection in the mouth's mucous membranes. [read more]

  4. Oral Leukoplakia
    Leukoplakia is an adherent white plaques or patches on the mucous membranes of the mouth including the tongue. [read more]

  5. Oral Lichen Planus
    Oral lichen planus is a condition of inflammation in the mouth lining. The inflammation may also occur inside the cheeks and may affect other parts of the mouth as well as the throat. [read more]

  6. Oral Thrush
    Oral thrush is a medical condition whereby there is an unusual accumulation of Candida Albicians in the lining of the mouth. It usually manifests as lesions in the tongue and in inner cheeks. [read more]

  7. Orchitis
    Orchitis is the medical inflammation where there is the inflammation of one or both testicles. It is usually connected to mumps. [read more]

  8. Orf
    Orf is described as a viral disease that commonly infects sheep and goats. It can be easily acquired by humans through direct contact of infected animals or contaminated fomites. It was also reported that reindeers have caused similar cuts to humans. [read more]

  9. Orf
    Orf pertains to an exanthemous zoonotic disease caused by a viral skin virus, which primarily affects sheep and goats, but may also be transmitted to humans. The word ?orf? itself is derived from an Old English term that means ?rough?. It is also alternatively known as pustular dermatitis (CPD), contagious ecthyma, thistle disease, sore mouth, or scabby mouth. [read more]

  10. Organic Brain Syndrome
    Organic brain syndrome refers to various acute and chronic physical disorders impairing mental function. [read more]

  11. Ornithosis
    Ornithosis is a zoonotic infectious disease also known as psittacosis, parrot disease, and parrot fever. [read more]

  12. Oropharyngeal Cancer
    Oropharyngeal cancer pertains to types of carcinomas occurring in the mouth, lips, tongue, gums, salivary glands, as well as parts of the throat located behind the stomach. It is also alternatively known as oral and throat cancer. [read more]

  13. Orotic Aciduria Hereditary
    Orotic aciduria is the excessive excretion of orotic acid in the urine. [read more]

  14. Orthorexia Nervosa
    Orthorexia nervosa is a term coined by Steven Bratman, a Colorado MD, to denote an eating disorder characterized by a fixation on eating what the sufferer considers to be healthful food, which can ultimately lead to early death. [read more]

  15. Orthostatic Hypotension
    Orthostatic hypotension otherwise known as the postural hypotension is a type of low blood pressure which usually occurs after a prolong lying or sitting down. [read more]

  16. Orthostatic Intolerance
    Orthostatic intolerance is a disorder of the autonomic nervous system, which occurs when a person stands up. [read more]

  17. Osgood-Schlatter Disease
    Osgood-Schlatter disease is a condition in which a growth plate at the tibial tuberosity has inflamed. [read more]

  18. Osteitis Deformans
    Osteitis deformans is also known as Paget's disease. It is a chronic disorder that typically results in enlarged and deformed bones. [read more]

  19. Osteoarthritis
    Osteoarthritis is medically identified as a form of degenerative joint disease. This is found to be the most common type of arthritis. Osteoarthritis typically occurs when joint cartilage wears down over time. Osteoarthritis may affect any joint in the body. However, the most common areas ate the joints located in the hands, knees, hips and spine. Osteoarthritis normally affects just a single joint. Although there are some cases, such as found in finger arthritis that a number of joints are affected. Osteoarthritis will gradually worsen with time. There is still no known cure available today. However, there are available treatments that can help manage and relieve pain. [read more]

  20. Osteochondritis
    Osteochondritis describes a special variety of joint diseases involving the abnormality in the cartilage and/or bone development. OCD typically affects the elbows, shoulders, or knees. This is normally brought about by joint degeneration due to wear and tear. [read more]

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