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 D


  1. Demodicidosis
    Demodicidosis is an infection that's parasitic, caused by Demodex mite that normally lives without risk in hair follicles, particularly those on one's facial area. This mite may cause manifestations in immunocompromised people. The mites implant themselves in one's skin or hair follicles. An infestation of an abnormally huge number of this mite, typically associated with improper skin cleansing, can have a ‘rosacea-like' appearance. [read more]

  2. Demyelinating Disease
    Demyelinating disease is defined as any type of nervous system condition wherein the neurons' protective covering, called myelin sheath, is damaged. This causes impairment in the transmission of signals within affected nerves, which in turn results to damage in movement, cognition, sensation, or other bodily functions, depending on the nerves involved. Some common demyelinating disease includes multiple sclerosis, optic neuritis, devic disease, acute disseminated encephalomyelitis, transverse myelitis, and adrenomyeloneuropathy. [read more]

  3. Dengue Fever
    Dengue fever is defined as a disease involving four connected viruses being multiplied by a specific mosquito species. The fever ranges from severe to mild; mild dengue results to rash, joint and muscle pain, and high fever. Its severe forms can additionally result to sudden blood pressure drop, severe bleeding, and death. [read more]

  4. Dengue Hemorrhagic Fever
    Dengue hemorrhagic fever is characterized by a severe and even potentially deadly form of infection that is spread by certain types of mosquitoes. [read more]

  5. Dent's Disease
    Dent's disease, also known as Dent Disease, is a rare X-linked recessive condition that is hereditary. It affects the Kidney and is one of the many causes of Fanconi syndrome. It is characterized by hypercalciuria, tubular proteinuria, nephrocalcinosis, chronic renal failure and calcium nephrolithiasis. Because it it only associated with the X-chromosome, this disease is most common to males. Studies show that more men (9 out of 15) suffer from this disease compared to women (1 out of ten) at an average age of 47 [read more]

  6. Dental Fluorosis
    Dental Fluorosis is a condition that affects the teeth caused by excessive intake of flouride. It is characterized by yellowish color of the teeth, presence of white spots, and discolorations like brown spots. It can also cause pitting and is often affects young teeth that has not yet erupted into the oral cavity. [read more]

  7. Dental Plaque
    Dental plaque is the hardened yellowish coating on the teeth caused by the food people eat. Dental plaque contains bacteria, which can cause tooth decay. The plaque can be removed by constant oral hygiene and regular cleaning done by a dentist. [read more]

  8. Dentinogenesis imperfecta
    Dentinogenesis imperfecta is a disorder of tooth development brought about by abnormal genetic mutations in the DSPP gene. It causes discolorations in teeth and development of abnormally weak dentin causing teeth to break easily, and break easily as well. It is otherwise called as hereditary Opalescent Dentin. Researchers have identified three types of this disease. [read more]

  9. Depersonalization Disorder
    Depersonalization Disorder (DPD) is a special type of dissociative disorder where an afflicted individual suffers from recurrent and resistant feelings of depersonalization. This is characterized by a sense of automation as well as the feeling of disconnection from the body, often making it difficult to relate to reality. [read more]

  10. Depression In Children
    Depression in children is a form of emotional disorder that affects the child's psychological, emotional and social behaviors. This kind of depression sets the pace towards the child's outlook in life, and can be the cause of his erratic behavior upon reaching adulthood. [read more]

  11. Depression In Older People
    Depression in older people is a stage where an adult, who has gone past his prime years, experiences anxiety and long-term sadness due to a series of reflections of the things that happened in the past. [read more]

  12. Dercum's Disease aka Adiposis dolorosa
    Dercum's disease is also known as Ander's disease or Adiposis dolorosa. It is a rare chronic disease associated with multiple painful fatty tissues during adult stage and usually affects obese women. [read more]

  13. Dermatitis herpetiformis
    Dermal herpetiformis is a disorder of the skin, chronic in nature and is characterized as extremely itchy rash. Otherwise known as Duhring's disease, this condition is associated to a person's sensitivity to gluten in cereals specifically the intestine. The rashes is consist of papules and a fluid-filled blister or vesicle. It usually is common on men and women in their twenties. It is also often connected to celiac disease which is an autoimmune disorder of the small bowel. [read more]

  14. Dermatitis Statis
    Hugely affecting your legs that may appear to have red and often itchy rash on the lower part of your body is a disorder called statis dermatitis. It often occurs after a long-term swelling of the legs that could be caused by poor blood circulation. [read more]

  15. Dermatitis, Nipple
    Nipple dermatitis is characterized itchiness as well as the soreness of one or even both nipples. [read more]

  16. Dermatitis, Nummular
    Nummular dermatitis is categorized as a particular form of eczema, or what is known as a type of atopic dermatitis, which is characterized by seemingly coin-shaped and raised bumps on the surface of the skin. These growths are often scaly. [read more]

  17. Dermatitis, Perioral
    Perioral dermatitis is characterized as a type of facial rash that usually tends to occur just around the mouth region. Most skin condition manifests as red and often slightly bumpy or scaly in texture. It can gradually spread up around the nose area, and even move up to the eyes. [read more]

  18. Dermatofibroma
    Dermatofibroma is a lesion or a dermal tumor, mostly benign, laid ot by fibroblasts. It is characterized by hard papules in different colors ranging from brown to tan. In some cases, Dermatofibroma can become itchy and tender. It is also believed to be a reaction of the skin to previous injuries. Some are rare malignant fibrohistocytic tumors whuch are usually deep penetrating. [read more]

  19. Dermatographia
    Lightly scratching your skin that may cause red lines on the area where you've scratched is a condition called dermatographia. It can be uncomfortable though it's not serious. Upon scratching, the skin cells are overly sensitive to minor injury with this kind of disorder. [read more]

  20. Dermatographic urticaria
    Dermatographic urticaria is a disorder of the skin characterized by swelling of the skin when rubbed with dull objects. The swelling is caused by mast cells in the surface of the skin causing the release of histamines without antigens because of weak membranes that surrounds the mast cells. This disease is also called dermatographism or skin writing. This is not a life threatening disease. [read more]



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