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. Hydrops fetalis
    Hydrops fetalis is a condition in the fetus marked by an accumulation of fluid, or edema, in at least two fetal compartments, including the subcutaneous tissue, pleura, pericardium, or in the abdomen, which is also known as ascites. The edema is typically seen in the fetal subcutaneous tissue, sometimes leading to spontaneous abortion. It is a prenatal form of heart failure, in which the heart has failed to satisfy the insatiable demand for an unusually high amount of blood flow. [read more]

  2. Hydrosyringomyelia
    Hydrosyringomyelia refers to a group of conditions a person experiences when the spinal cord is damaged by an abnormal formation of fluid-filled cavities within the cord. [read more]

  3. Hydroxyapatite Crystal Disease
    Hydroxyapatite crystal disease is an inflammation of the joints due to the crystallization of the hydroxyapatite mineral in the bones. [read more]

  4. Hymenolepiasis
    Hymenolepiasis is infestation by one of two species of tapeworm: Hymenolepis nana and Hymenolepis diminuta. [read more]

  5. Hyper IgE Syndrome
    Hyper IgE syndrome (HIES) is a heterogeneous kind of disorders presented by recurring staphylococcal infections, eczema-like rashes, lung infections and high levels of the IgE antibody in the blood serum. It is sometimes known as Job-Buckley syndrome. [read more]

  6. Hyper-IgD Syndrome
    Hyper-IgD syndrome is an uncommon inherited disorder wherein an individual has high immunoglobulin D that causes recurring attacks of fever and chills that onsets during the first year of life. The attacks typically last four to six days, which may be accompanied by other symptoms like abdominal pain, skin rash, and joint pain. The frequency and severity of the attacks vary significantly from one case to another. These episodes can be triggered through physiologic stress, for instance minor trauma or vaccination. [read more]

  7. Hyperactive Sexual Desire Disorder
    Hypersexuality is the desire to engage in human sexual behavior at a level high enough to be considered clinically significant. Hypersexuality is marked by a debilitating need for frequent genital stimulation which, once achieved, may fail to result in the expected long-term sexual—or emotional—satisfaction. This dissatisfaction is what is believed to encourage the increased frequency of sexual stimulation, as well as additional physiological and neurological symptoms. [read more]

  8. Hyperadrenalism
    Hyperadrenalism, more commonly known as Cushing's Syndrome, is an endocrine abnormality marked by the presence of high cortisol levels in the blood. Hyperadrenalism is also often called hypercortisolism or hyperadrenocorticism. Its more familiar moniker, “Cushing's Syndrome”, is attributed to Harvey Cushing, an American physician who is credited for its discovery and consequent study. According to the results of Cushing's studies, the disease is characterized by abnormal fat deposition. It also occurs commonly in dogs and domestic horses. In particular, Cushing's syndrome occurs when the adrenal cortex is invaded with a tumor and particularly deficient ACTH levels. [read more]

  9. Hyperaldosteronism
    Hyperaldosteronism, also commonly known as aldosteronism, is a disorder in which the adrenal glands produce abnormally high levels of aldosterone, which can lead to decreased levels of potassium in the blood. [read more]

  10. Hyperammonemia
    Hyperammonemia, also known as hyperammonaemia, is a type of metabolic defect marked by high levels of ammonia in the blood. Hyperammonemia can be a fatal condition which can easily lead to encephalopathy and eventual death. [read more]

  11. Hyperandrogenism
    Hyperandrogenism is an endocrine disorder that occurs in women, affecting roughly 10% of the female population. Occurring among all races and nationalities, this hormonal defect is known as the leading cause of infertility worldwide. The more popular form of this hormonal disorder is Hyperandrogenic Chronic Anovulation, more commonly known as Polycystic Ovary Syndrome (PCOS). [read more]

  12. Hyperbilirubinemia
    Hyperbilirubinemia is characterized by an excess of bilirubin in the blood. Bilirubin is a substance that forms when red blood cells break down. In infants, the bilirubin can accumulate in the blood and surrounding tissues, filling the baby's body with fluids. The result is a condition called hyperbilirubinemia. The excess bilirubin causes pigmentation or yellowing of the infant's skin and tissues, a condition known as jaundice. [read more]

  13. Hypercalcaemia
    Hypercalcaemia (sometimes spelled Hypercalcemia) is a disorder characterized by elevated levels of calcium in the blood. Hypercalcaemia may be asymptomatic. It can, however, indicate the presence of other diseases; therefore, a diagnosis is needed if it persists. [read more]

  14. Hypercholesterolemia
    Literally, Hypercholesterolemia means “high blood cholesterol”. Characterized by elevated levels of cholesterol in the blood, Hypercholesterolemia is not a disease per se, but a metabolic dysfunction which may be indicative of other diseases as well as contribute to several other forms of disease. Hypercholesterolemia is strongly correlated with “hyperlipidemia”, marked by high lipid levels, and “hyperlipoproteinemia", marked by high lipoprotein levels. A rare genetic form of this disorder is known as familial hypercholesterolemia, a condition occurring in families where members cannot properly metabolize cholesterol. [read more]

  15. Hyperchylomicronemia
    Hyperchylomicronemia, also known as hyperlipidemia or hyperlipoproteinemia, is characterized by elevated levels of lipids and/or lipoproteins in the blood. This lipid/lipoprotein abnormality, which is common in the general population, poses a high risk of developing into a cardiovascular disease because of the presence of high levels of cholesterol. Some forms of Hyperchylomicronemia may also lead to acute pancreatitis. [read more]

  16. Hypercortisolism
    Hypercortisolism is a condition that arises from an excess of cortisol, a hormone produced by the adrenal glands. Sometimes called hypercortisolism, Cushing's syndrome can occur when the adrenal glands, located above the kidneys, make too much cortisol. It may also develop if the person is taking high doses of cortisol-like medications (corticosteroids) for a prolonged period. [read more]

  17. Hyperemesis Gravidarum
    Hyperemesis gravidarum is a process of involuntary vomiting during pregnancy. This condition usually leads to ketosis and dehydration. The disorder can also contribute to other major complications such as centrilobular necrosis, Wernicke's encephalopathy, widespread fat degeneration and esophageal rupture. [read more]

  18. Hypereosinophilic Syndrome
    Hypereosinophilic syndrome is an uncommon blood disease process wherein the bone marrow generates steadily elevated ‘eosinophil' count over a prolonged period of time causing damage to the tissue or organ. The syndrome may affect any part of one's body, but mostly affects the heart, nervous system, and the skin. [read more]

  19. Hyperexplexia
    Hyperexplexia is an uncommon inherited disorder in which infants show a heightened startle reflex or reaction. The onset of the disease is soon after birth, and is characterized by rigidity or stiffness and supposition of flexed fetal placement. This startle reflex is sometimes joined by ‘acute generalized hypertonia' that causes an individual to suddenly fall like a stiff log onto the ground. Other names for this disease include ‘startle disease', Kok disease, and stiff baby syndrome. [read more]

  20. Hyperglycemia
    Hyperglycemia is a condition wherein there's an excessive quantity of glucose circulating in one's blood plasma. It's a grave health dilemma for people with diabetes. Diabetic people having hyperglycemia over a long period of time can cause damage to blood vessels, nerves, and other organs of the body. [read more]

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