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. Hanhart Syndrome
    Hanhart syndrome otherwise known as the Richner Syndrome, is an autosomal recessive disorder caused by deficiency in enzyme tyrosine amono transferase (E. Hanhart: ?ber die Kombination von Peromelia mit Mikrognathia, ein neues Syndrom beim Menschen, entsprechend der Akroteriasis congenita von Wriedt und Mohr beim Rinde. Archiv der Julius Klaus-Stiftung f?r Vererbungsforschung, Sozialanthropologie und Rassenhygiene, Z?rich, 1950, 25: 531-544). [read more]

  2. Hansen's Disease
    Hansen's disease, more commonly known as leprosy, is a chronic contagious disease that causes severe disfigurement on the skin, face, hand and feet. It was once a dreaded epidemic. [read more]

  3. Hantavirosis
    Hantavirosis is a term that describes an infection from the Bunyaviridae virus family which is transmitted from rodents. The condition occurs in China, Russia, Korean Peninsula, northern and western Europe, Brazil, Chile, United States, Panama, Canada, and Patagonian Argentina. [read more]

  4. Hantavirus Pulmonary Syndrome
    Hantavirus pulmonary syndrome or HPS for brevity, is a deadly medical condition where the disease is transmitted by infected rodents through urine, droppings, or saliva. [read more]

  5. HARD Syndrome
    HARD syndrome, also known as Walker-Warburg syndrome, is a congenital muscular dystrophy related to eye and brain abnormalities. Around 30 different muscular disorders are classified under the HARD syndrome. [read more]

  6. Harlequin Type Ichthyosis
    Harlequin type ichtyhysosis is a hereditary congenital skin disorder characterized by thick and cracking skin that splits apart due to thickening of the keratin layer. The skin contains reddish, diamond-shaped scales. It is the most severe form of congenital ichthyosis. Individuals with the condition are known as harlequins, harlequin babes, or harlequin fetuses. [read more]

  7. Harpaxophobia
    Harpaxophobia is the morbid fear of being robbed (Corsini, R., 1999. The Dictionary of Pschology, p.435). [read more]

  8. Hartnup Disease
    Hartnup disease, also known as monkey disease or Hartnup's disorder, is an autosomal recessive disorder wherein the transport of neutral amino acids to the kidneys and small intestines is defective. Sufferers have a niacin deficiency as well as an inborn error of amino acid metabolism. [read more]

  9. Hashimoto's thyroiditis
    Hashimoto's thyroiditis is an autoimmune disease wherein the body's antibodies attack the thyroid cells. It is also known by the name chronic lymphocytic thyroiditis. It is also the most common form of hyperthyroidism in the United States. [read more]

  10. Hay Fever
    Hay fever, also known as allergic rhinitis, causes cold-like symptoms such as a runny nose, congestion, sneezing and sinus pressure. But unlike a cold, hay fever isn't caused by a virus, but by an allergic response to indoor or outdoor airborne allergens, such as pollen, dust mites or pet dander. [read more]

  11. Hay-Wells Syndrome
    Hay-Wells syndrome otherwise known as ankyloblepharon-ectodermal dysplacia clefting syndrome is one of the type of ectodermal dysplasia (Index of Rare Diseases. National Organization for Rare Disorders. 20 Mar 2008). It thus affect tissues that arise from ectoderm especially that of the skin, hair and nails. [read more]

  12. Head And Neck Cancer
    Head and neck cancer is a collective term used to describe cancers that form in the aerodigestive area, in organs such as the mouth, nasal cavity, paranasal sinuses, larynx, pharynx and lip. These cancers can affect the lymph nodes when not treated early. [read more]

  13. Head Cancer
    Head cancer is a group of cancers that occur on the head up to the organs found in the neck. Included in this group are facial cancers, oral cancers, nasopharynx and laryngeal cancers. [read more]

  14. Head Lice
    Lice are tiny, wingless, parasitic insects that feed on the blood. Lice are easily spread — particularly by schoolchildren — through close personal contact and by sharing belongings. Head lice are those that develop on the scalp. They're easiest to see at the nape of the neck and over the ears. [read more]

  15. Headache Free Migraine
    Headache-free migraine is a condition where a patient experiences the pains of migraine attacks but with no headaches. Among the symptoms include blurry vision, nausea, constipation, loss of balance and vomiting. Headache-free migraine also occurs with fever, muscle weakness and body pain. [read more]

  16. Headache, cluster
    Cluster headache is a neurological disease characterized by extreme pain. The cyclical pattern of the pain, occurring in periods with spontaneous remissions, gives the disease its name. The “clusters” of frequent attacks can last anywhere from a few weeks to months. During remission periods, the headaches completely stop, although patterns differ from person to person. Remission periods can occur from months to a year. The condition can afflict anyone although it is more common in men and adults aged 20-40 years old. Attacks are classified into episodic or chronic. Episodic attacks are characterized by a higher frequency with longer remissions. Chronic attacks are characterized by frequent headaches that can last up to years. [read more]

  17. Headache, Cluster
    Cluster headache is a neurological disease characterized by extreme pain. The cyclical pattern of the pain, occurring in periods with spontaneous remissions, gives the disease its name. The “clusters” of frequent attacks can last anywhere from a few weeks to months. During remission periods, the headaches completely stop, although patterns differ from person to person. Remission periods can occur from months to a year. The condition can afflict anyone although it is more common in men and adults aged 20-40 years old. Attacks are classified into episodic or chronic. Episodic attacks are characterized by a higher frequency with longer remissions. Chronic attacks are characterized by frequent headaches that can last up to years. [read more]

  18. Headache, Ice Cream
    Ice cream headache is a form of brief, intense cranial pain or headache commonly associated with consumption (particularly quick consumption) of cold beverages or foods such as ice cream, slurpees, or margaritas. [read more]

  19. Headache, Primary Cough
    Cough headaches are an unusual type of headache caused by coughing and other types of straining — such as sneezing, blowing the nose, laughing, crying, singing or bending over, and straining when having a bowel movement. [read more]

  20. Headache, Rebound
    Rebound headaches, also known as medication overuse headaches, occur when pain medications (analgesics) are taken too often to relieve headache. [read more]



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