ILLNESSOPEDIA

Free Online Database Of Diseases, Illnesses & Ailments

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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 H


  1. Hyperglycemic Hyperosmolar Nonketotic Syndrome
    Hyperglycemic hyperosmolar nonketotic syndrome or HHNS is a condition where the blood sugar is released through frequent urination. Too much urination leads to dehydration, if one does not drink sufficient fluids. Dehydration may lead to seizures and eventually, death. [read more]

  2. Hyperglycinemia (Nonketotic)
    Hyperglycinemia (nonketotic) is an innate metabolism error that's distinguished by the build up of huge quantities of amino acid glycine in urine, blood, and especially in the CSF or cerebrospinal fluid. This metabolic block happens in the transformation of glycine into tinier molecules. The disorder comes in several forms: classic form, infantile form, mild-episodic form, late-onset form, and atypical form. [read more]

  3. Hyperhidrosis
    Hyperhidrosis is a common condition in which there is an abnormally excessive and unpredictable sweating. People with this condition can sweat even when temperatures are cool or when they're resting. The sweating may occur in one's hands, armpits, or feet. [read more]

  4. Hyperhomocysteinemia
    Hyperhomocysteinemia is a condition wherein there's an excessive level of homocysteine in the blood. It's often linked with cobalamin or folate deficiency, and genetic defects. Homocysteine is a molecule in the body that's naturally occurring, and is needed in many reactions that happen within body cells. These reactions result to methionine and cysteine formation; if passageways to methionine and cysteine are blocked, then the levels of homocysteine rise. [read more]

  5. Hyperinsulinemia
    Hyperinsulinemia is a medical condition in which excess amounts of circulating insulin are found in the blood. This is common among people with diabetes mellitus type 2. It is often linked with metabolic syndrome. The condition is caused by insulin resistance as well as pancreatic cancer. Because of high levels of insulin concentrated in the blood, other organs suffer from inadequate insulin levels resulting to hypoglycemia. [read more]

  6. Hyperkalemia
    Hyperkalemia is a condition in which there is an excessive level of electrolyte potassium in the blood. Severely high levels of potassium in blood may lead to ‘cardiac arrest' and even death. Although mild hyperkalemia may have limited effect on one's heart, moderate condition may produce changes in EKG, and severe cases may cause the suppression of the heart's electrical activity that may cause one's heart to stop beating. [read more]

  7. Hyperkalemic Periodic Paralysis
    Also known as Impressive Syndrome, Hyperkalemic Periodic Paralysis (HYPP) is a genetic disorder inherited via autosomal dominancy. In HYPP patients, sodium channels in muscle cells as well as the ability to regulate potassium levels in the blood are affected. While closely associated with horses, this disease also affects humans. In human patients, HYPP is often referred to as Gamstorp episodic adynamy. [read more]

  8. Hyperkalemic Renal Tubular Acidosis
    Hyperkalemic renal tubular acidosis (HRTA) is a class of defects wherein hydrogen ion excretion is impaired, causing a chronic metabolic acidosis. Hyperchloremia is often present in this condition, and other electrolytes such as Ca and K are frequently deranged. [read more]

  9. Hyperlexia
    Hyperlexia is a child spontaneously and precociously masters single-word reading. It can be viewed as a super ability, that is, word recognition ability far above expected levels. The most common definition also includes difficulties with comprehension of printed material beyond or even at the single-word level. Several hyperlexics also have trouble understanding speech. Probably all children with hyperlexia also lie on the autism spectrum. [read more]

  10. Hyperlipidemia
    Hyperlipidemia is a condition in which abnormal levels of lipids are found in the blood. Lipids, or fatty molecules, take part in the body's metabolism process and abnormalities may affect different body functions. High levels of lipids may induce organ problems such as cardiovascular diseases, atherosclerosis and acute pancreatitis. Proper diet and statin therapies are performed to control the production of lipids in the blood. [read more]

  11. Hypermagnesemia
    Hypermagnesemia is a kind of electrolyte condition in which there is a disturbing high level of magnesium found in the blood. This a rare condition since one of the kidney's main function is to excrete excess amounts of magnesium in the body. [read more]

  12. Hypermenorrhea
    Hypermenorrhea (also know as menorrhagia) is when menstruation is excessively long-lasting or heavy. [read more]

  13. Hypermobility Syndrome
    Hypermobility syndrome is a condition in which a person with doubled joints also experiences athraigia and myalgia, as skin hyperextensibility and varicose veins. [read more]

  14. Hypernatremia
    Hypernatremia is a common electrolyte disturbance characterized by the increased blood sodium levels. It is a result of a deficit of free water in the body. Hypernatremia is a form of dehydration. [read more]

  15. Hyperopia
    Farsightedness (also known as hyperopia) is a common vision condition in which one can see objects in the distance clearly, but objects nearby may be blurry. [read more]

  16. Hyperoxaluria
    Hyperoxaluria is a condition in which there is emission of excessive quantity of ‘oxalate' in one's urine. Oxalate is basically organic salt that forms soluble salt when combined with potassium and sodium, but when joint with calcium, it generates insoluble product that's found in kidney stones. Mild types of the condition are comparatively common, and may cause the formation of kidney stones. Bigger quantities of the oxalate in urine may be due to intestinal diseases that cause over-absorption of the oxalate. [read more]

  17. Hyperparathyroidism
    Hyperparathyroidism is a condition characterized by an over activity of the parathyroid glands, often caused by an overproduction of the parathyroid hormone (PTH). PTH regulates and helps maintain the levels of calcium and phosphate in the body. When one or more of the parathyroid glands becomes over-active, calcium levels are elevated while phosphate levels drop. [read more]

  18. Hyperpigmentation, Post-Inflammatory
    The darkening of the skin in an area of prior injury or skin disorder from increased pigment (melanin) left from the healing process is called post-inflammatory hyperpigmentation. When old red blood cells die, the darkening may sometimes be also due to an iron pigment left behind. [read more]

  19. Hyperpituitarism
    Hyperpituitarism is an end result of large secretions of adenohypopheseal trophic hormones due to pituitary adenoma. The condition is manifested in diseases such as radiographic abnormalies of the sella turcica, disruption of the diaphragm, increased intracranial pressure and bitemporal hemianopia. [read more]

  20. Hyperprolactinaemia
    Hyperprolactinemia (AmE), also known as Hyperprolactinaemia (BrE), is characterized by increased levels of proclatin in the blood. Normal proclatin levels in women are less than 580 mIU/L, whereas 450 mIU/L is normal for men. [read more]



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