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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. Reynolds Syndrome
    Reynolds syndrome is a rare disease, autoimmune in origin, characterized by scleroderma (i.e. hardened skin) and cirrhosis of the liver. This syndrome is closely associated with the combination of primary biliary cirrhosis and progressive systemic sclerosis. In some cases, Reynolds syndrome has been associated with hemolytic anemia and Sj?gren's syndrome. Reynolds syndrome is named after Telfer B. Renolds, an American physician who first described it. Clinical presentations of Reynolds syndrome include elevated levels of alkaline phosphatase in the blood, jaundice, pruritus, and telangietasias. At the onset of Reynolds syndrome, Reynaud's phenomenon may occur as an early symptom. [read more]

  2. Rh Disease
    Rh disease, a condition affecting pregnant mothers, is one of the identified causes of hemolytic disease of the newborn (or HDN), and may range from mild to severe. In mild forms, Rh disease may cause mild anemia with reticulocytosis in the fetus. In moderate or severe forms, Rh disease can cause a more distinct anemia as well as erythroblastosis fetalis in the fetus. In its most severe form, the disease can lead to hydrops fetalis, morbus haemolyticus neonatorum, or even stillbirth. Rh disease is also alternatively called Rh (D) disease, RhD Hemolytic Disease of the Newborn, Rhesus disease, Rhesus D Hemolytic Disease of the Newborn or RhD HDN. [read more]

  3. Rhabdoid Tumor
    Rhabdoid tumor pertains to a very rare and extremely aggressive tumor commonly occurring in children ages 2 to 13 years. Initially, rhabdoid tumor was believed to be a variant of Wilms' tumor. However, recent studies have shown that rhabdoid tumor is an entirely separate entity. The location of this highly malignant tumor may be intraventicular, supratentorial, or infratentorial. [read more]

  4. Rhabdomyolysis
    Rhabdomyolysis is described as the rapid breakdown (i.e. lysis) of the skeletal muscle tissue (i.e. rhabdomyo) as a consequence of a prior injury to muscle tissue. [read more]

  5. Rhabdomyosarcoma
    Rhabdomyosarcoma is a rare form of cancer of the sarcoma (or connective tissues) commonly occurring in children ages 1 to 5 and, in some cases, teenagers ages 15 to 19. The malignant cells are believed to originate from skeletal muscle progenitors. The cancer may also attach itself to muscle tissues, wrap around intestines, or affect any other areas. The cancerous mass may resemble a 6-8 week old embryo in younger children. In teens and older children, the cancer may be as large as a 10-12 week old embryo. [read more]

  6. Rhabdomyosarcoma, Embryonal
    Embryonal rhabdomyosarcoma, also alternatively called sarcoma botryoides, is a rare form of vaginal cancer affecting female infants and children under 8 years old. [read more]

  7. Rhesus Isoimmunisation
    Rhesus isoimmunisation is a condition concerning the Rhesus (Rh) factor. This is a protein found in most people's red blood cells. A person who does not have this factor is considered Rh negative, a person who does is Rh positive. An Rh negative pregnant mother exposed to blood that is Rh positive produces antibodies to the factor. This is called isoimmunization. If this happens to a mother and fetus, the antibody may cross the placenta and attach to the fetal red cells and destroyed by the fetal spleen. This condition is more commonly known as Rh isoimmunisation. [read more]

  8. Rheumatic Fever
    Rheumatic fever pertains to an inflammatory disease which develops as a consequence of complications from a Group A streptococcal infection (e.g. scarlet fever and strep throat, etc.). Rheumatic fever commonly affects children 6 to 15 years old. [read more]

  9. Rheumatic Heart Disease
    Rheumatic Heart Disease pertains to a complication of rheumatic fever. This disease damages the entire heart and its membranes. It is a permanent damage to the heart due to a damaged heart valve. This disease used to be a serious form of heart disease for children and adolescents. [read more]

  10. Rheumatism
    Rheumatism, also known as rheumatic disorder, is a general term encompassing medical problems affecting the bones, kidney, joints, skin, heart, and lungs. While rheumatism is used colloquially or in a historical context, the word no longer appears in strict medical or technical literature. To date, the word “rheumatism” does not apply to a recognized disorder in modern medicine. While the term covers a wide range of medical problems, it is most commonly used in reference to fibromyalgia syndrome and/or arthritis-like symptoms. However, it is important to note that rheumatism itself is neither a recognized disease nor a distinct entity. [read more]

  11. Rheumatoid Arthritis
    Rheumatoid arthritis is a chronic, potentially disabling autoimmune disease wherein the immune system attacks the joints, causing an inflammation in the joints (i.e. arthritis) as well as in other parts of the body (commonly in the lungs and the skin). [read more]

  12. Rheumatoid Spondylitis
    Rheumatoid spondylitis is a chronic inflammatory arthritis. It is also referred to as ankylosing spondylitis or spondylitis. [read more]

  13. Rhinitis
    Rhinitis is a condition describing the irritation and swelling of the inner part of the nose. This condition is also seen to affect the throat, eyes and ears. It is also associated with sleeping problems. Rhinitis can also be triggered by an allergy. There are two types: allergic and no-allergic rhinitis. [read more]

  14. Rhinitis, Vasomotor
    Hay fever is a condition resulting from an allergic reaction to indoor or outdoor airborne allergens, such as dust mites, pollen, or pet dander. [read more]

  15. Rhinophyma
    Rhinophyma is a medical condition identified by an overgrowth of the sebaceous glands of the nose. It is part of a skin disorder called rosacea. In women, sensitive capillaries result in flushing and dilated small red veins made visible on the surface of the skin. [read more]

  16. Rhupus
    Rhupus is a disease characterized by rheumatism and lupus. It is a rare condition in which the hands of an affected person become deformed due to the growth of cysts and calcification of the cartilage. The main symptoms of this illness are numbness and immobility of the affected area. Treatment for the rhupus requires surgery. [read more]

  17. Rib Gap Syndrome
    Rib-gap syndrome, also known as cerebrocostomandibular syndrome, is a rare autosomal recessive disorder that features an abnormally small jaw, deformed upper jaw, a refracted tongue, and rib dysplasia. These deformities usually lead to respiratory problems as well as moderate to severe mental retardation. [read more]

  18. Rib Inflammation
    Rib cage inflammation, also known as costochondritis, is the swelling of the ribs due to injuries and other abnormalities experienced by the chest. [read more]

  19. Riboflavin Deficiency
    Riboflavin deficiency pertains to a lack of Riboflavin, which is another name for vitamin B2. This disorder occurs when the patient does not have sufficient amount of vitamin B2 in the body. This deficiency is also known as ariboflavinosis. [read more]

  20. Richter Syndrome
    Richter syndrome is an extremely rare disease characterized by the transformation of chronic lymphocytic leukemia (CLL) into a rapidly progressive form of lymphoma. Also known as Richter transformation, this disorder is a type of high grade non Hodgkin's lymphoma affecting patients with chronic lymphocytic leukemia. To date, only 1 in 20 documented cases of CLL leads to Richter syndrome. [read more]



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