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 H

  1. Hemiplegia Alterans
    Hemiplegia alterans, or aleternating hemiplegia, is a rare disorder that affects the neurological system. It develops during the child's first four years of age, and characterized by recurring episodes of temporary paralysis in one side of the body. [read more]

  2. Hemmorhagic Fever
    Hemmorhagic fever belongs to a group of viral hemmorhagic fevers (VHFs), which are human and animal diseases caused by any four RNA families: Filoviridae, Arenaviridae, Flaviviridae, and Bunyaviridae. [read more]

  3. Hemochromatosis
    Hemochromatosis is a hereditary disease characterized by excessive absorption of dietary iron resulting in a pathologic increase on total body iron stores. Human, like virtually all animals, have no means to excrete excess iron. Excess iron accumulates in tissues and organs disrupting their normal function. [read more]

  4. Hemoglobinopathy
    Hemoglobinopathy is a type of genetic defect that results from abnormal and not well defined structure of the globin chains of the hemoglobin molecule in the body. It usually includes sickle Disease and Thalassemia. [read more]

  5. Hemoglobinuria
    Hemoglobinuria is a disease characterized by the presence of abnormally high hemoglobin concentrations in the urine. The free hemoglobins in the urine is caused by filtration from the kidney, causing urine to be reddish in color. [read more]

  6. Hemolytic Anemia
    Hemolytic anemia is a medical condition where insufficient red blood cell count results due to antibody attacks against the RBC. It is an autoimmune disorder that usually affects a fetus while inside the mother's womb. [read more]

  7. Hemolytic Disease Of The Newborn
    Hemolytic disease of the newborn, or erythroblastosis fetalis, is an alloimmune state wherein the IgG antibodies produced by a pregnant mother attack the red blood cells that circulate in the fetus. This condition causes reticulocytosis and anemia. This can be a dreaded disease and can lead to heart failure. [read more]

  8. Hemolytic Uremic Syndrome
    Hemolytic-uremic syndrome (HUS), is an illness characterized by acute renal failure, low platelet count, and microangiopathic hemolytic anemia. [read more]

  9. Hemolytic-Uremic Syndrome
    Hemolytic-uremic syndrome (HUS) is a condition affecting infants and children, characterized by low platelet count (thrombocytopenia), acute renal failure, and microangiopathic hemolytic anemia. [read more]

  10. Hemophagocytic Lymphohistiocytosis
    Hemophagocytic lymphohistiocytosis (HLH) is a rare disease affecting infants and young childen, but in some cases adolescents. It is characterized by the pathological findings of hemophagocytosis, jaundice, fever, and splenomegaly. HLH is usually associated with Epstein-Barr virus, genetic, malignant, autoimmune diseases, as well as other viruses or fungal infections. [read more]

  11. Hemophilia
    Hemophilia is a hereditary blood disease main characterized by the inability of the blood to clot. This disorder may lead to excessive bleeding even when caused by minor injuries. Hemophilia has two types: the most common Hemophilia A, which is found in almost 80 percent of the patients, and Hemophilia B, also known as Christmas disease. [read more]

  12. Hemophilia A
    Hemophilia A, the most common type of hemophilia, is a blood clotting disease. A mutation of the Factor VIII gene causes the condition and is a largely inherited disorder. [read more]

  13. Hemophobia
    Hemophobia is the fear of blood, which is extreme and irrational. [read more]

  14. Hemorrhage
    Hemorrhage is the medical term used to describe excessive bleeding due to rupture of the blood vessels. It is a complication of other diseases. Hemorrhage can be external or internal. [read more]

  15. Hemorrhagiparous Thrombocytic Dystrophy
    Hemorrhagiparous thrombocytic dystrophy is commonly called Bernard-Soulier syndrome named after Dr. Jean Bernard and Jean Pierre Soulier. It is a severe bleeding disorder caused by a deficiency of glycoprotein Ib (GpIb), which is important in clot formation. [read more]

  16. Hemorrhoids
    Hemorrhoids are varicosities or swelling and inflammation of veins in the rectum and anus. Hemorrhoids are actually the anatomical term for "'Cushions of tissue filled with blood vessels at the part of the rectum and the anus." However, the term has come into usual usage to indicate the condition described herein.q [read more]

  17. Hemothorax
    Hemothorax is a disease wherein blood accumulates in the chest. It is a relatively common condition, usually occurring from traumatic force in the thorax which causes the serous membrane of the thorax surrounding the lungs to rupture. [read more]

  18. Hendra Virus
    Hendra virus is a strain of virus under the Paramyxoviridae family. It was first described in 1994 during an outbreak of neurological and respiratory disease in humans and horses in the Hendra suburb of Brisbane, Australia. [read more]

  19. Henoch-Schonlein Purpura
    Henoch-Schonlein purpura (HSP or anaphylactoid purpura) is a kind of blood vessel inflammation or vasculitis. [read more]

  20. Heparin-Induced Thrombocytopenia
    Heparin-induced thrombocytopenia (HIT) is a condition wherein doses of heparin causes low platelet count (thrombocytopenia). The condition is a thrombotic disorder where there are high concentrations of thrombosis in the arteries. HIT usually occurs 4-14 days after the heparin administration. Heparin is administered during cardiovascular surgery. [read more]

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