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 R

  1. Respiratory Diphtheria
    Respiratory Diphtheria is an acute, toxin-mediated disease caused by virus called Corynebacterium diphtheriae. There are 2 main forms: respiratory and cutaneous. This kind of condition lasts for several days. [read more]

  2. Respiratory Failure
    Respiratory failure is a medical term describing the inability of the lungs to accurately and properly function. Respiratory failure can be shown by observing the oxygen (too low) and carbon dioxide (too high) levels in the blood due to a break down in gas exchange (the process of exchange between air spaces and blood in the lungs) or the movement of air in and out of the lungs. [read more]

  3. Respiratory Infection
    Respiratory infection is more commonly known as upper respiratory infection of (URI). This is a type of infection of the head and chest caused by a virus. The nose, throat, sinuses, ears and airways are affected. This infection usually lasts a couple of weeks. [read more]

  4. Respiratory Syncytial Virus
    This virus causes infections in the lungs and respiratory tract. This virus commonly affects children by the age of 2 and even adults. Infection can severe especially when it infects premature babies and infants with underlying health conditions. [read more]

  5. Respiratory System Cancer
    Respiratory system cancer is a range of carcinomas commonly found in the respiratory system. Respiratory system cancer may encompass all organs involved in the breathing process, including: lung cancer, mouth cancer, oral cancer, throat cancer, tongue cancer, larynx cancer, pharynx cancer, and bronchial cancer. [read more]

  6. Restless Legs Syndrome
    Restless legs syndrome (RLS), also known as Wittmaack-Ekbom's syndrome, is a progressive neurological disease characterized by an irresistible urge to move one's body to halt odd or uncomfortable sensations. This condition usually affects the legs, but can also affect the arms and torso. [read more]

  7. Restrictive cardiomyopathy
    Restrictive cardiomyopathy is the least usual cardiomyopathy. It is called as such due to the fact that it limits the heart from extending and filling it with blood correctly. The firm walls of the chambers of the heart prevent them from properly filling even though the rhythmicity and contractility of the heart may be regular. That is why blood flow is decreased and the blood that usually enters the heart is backed up in the circulatory system. Over time, patients with restrictive cardiomyopathy acquire heart failure. [read more]

  8. Reticuloendotheliosis
    Reticuloendotheliosis is characterized by a lymphoma (or cancer that arises from the lymphocytes) of a part of the immune system known as the reticuloendothelial tissue. Leukemic reticuloendotheliosis, also known as hairy cell leukemia, is the most common type of reticuloendotheliosis. In this form of chronic leukemia, the malignant B-lymphocytes are observed in the spleen, bone marrow, and peripheral blood. When analyzed under a microscope, the malignant cells appear to be covered with minute hair-like protrusions. [read more]

  9. Retinal Degeneration
    Retinal degeneration refers to the deterioration of the retinal tissue. The degeneration of the retina may occur as a consequence of a number of factors, including vein or artery occlusion, diabetic retinopathy, and hereditary RLF/ROP disease, among others. Several types of progressive retinal degeneration exist in varying degrees or severities. Examples are retinoschisis, retinitis pigmentosa, lattic degeneration, and macular degeneration. [read more]

  10. Retinal Detachment
    Retinal detachment is an eye disorder there the retina peels away from the core layer of supporting tissue. At first, detachment may be localized, but if not treated quickly the whole retina may be detached. This can lead to loss of vision or blindness. [read more]

  11. Retinitis Pigmentosa
    Retinitis pigmentosa (RP) pertains to a group of genetic eye conditions characterized by progressive night blindness preceded by an extended period of tunnel vision. In retinitis pigmentosa, abnormalities of the photoreceptors or the presence of retinal pigment epithelium (RPE) cause progressive visual loss in affected patients. [read more]

  12. Retinoblastoma
    Retinoblastoma pertains to cancer of the retina that affects children. If untreated, retinoblastoma is almost invariably fatal. [read more]

  13. Retinoschisis
    Retinoschisis refers to the abnormal splitting of the neurosensory layers of the retina. The splitting usually occurs in the outer plexiform layer. In rare cases, retinoschisis results in vision loss. However, in most cases, it remains asymptomatic. [read more]

  14. Retractile Testicle
    Retractile testicle is a condition in which the testicle glides back and forth between the scrotum and the groin. [read more]

  15. Retrograde Ejaculation
    Retrograde ejaculation is release of semen into the bladder instead of through the penis during orgasm resulting in the ejaculation of very little or no semen. [read more]

  16. Retrolental Fibroplasia
    Also known as retinopathy of prematurity (ROP), retrolental fibroplasia (RLF), is an eye disease that primarily affects prematurely born babies. [read more]

  17. Retroperitoneal Fibrosis
    Retroperitoneal fibrosis, also known as Ormond's disease, is a condition in which the fibrous tissue proliferates in the retroperitoneum, or the compartment of the body containing the renal tract, kidneys, aorta, and various other structures. [read more]

  18. Rett Syndrome
    Rett syndrome is a neurodevelopmental disorder mostly affecting females. This disease is categorized as a pervasive development disorder by the DSM-IV (Diagnostic and Statistical Manual of Mental Disorders). [read more]

  19. Revesz Debuse Syndrome
    Revesz Debuse syndrome is an extremely rare condition characterized mostly by anemia, retinal disease, and anomalies in the central nervous system. [read more]

  20. Reye's Syndrome
    Reye's syndrome is a disease commonly occurring in children characterized by a range of several detrimental effects to many organs in the body, particularly the liver and the brain. If undiagnosed and untreated early, it can be potentially fatal. [read more]

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