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 D

  1. Dandruff
    Marked by itching and excessive flaking of the scalp, many people have this chronic scalp disorder called dandruff. It may be embarrassing to have dandruff which is surprisingly persistent, it is not contagious and is rarely serious. [read more]

  2. Dandy Fever
    Dandy fever is another name for dengue fever. It is a contagious epidemic disease caused by mosquito bites of two species under the genus Aedes. [read more]

  3. Dandy-Walker Syndrome
    Dandy-Walker syndrome is defined as a brain deformity that involves the ‘cerebellum' and the fluid that fills the space surrounding it. The malformation happens before birth; thus, it's submitted as a ‘congenital malformation'. The syndrome is characterized by enlargement of the brain's fourth ventricle, complete or partial absence of cerebellar vermis, and a formation of cyst near the skull's internal base. There is also increased fluid size and pressure increase in the fluid spaces around the brain. [read more]

  4. Darier's Disease
    Darier's disease is defined as a genetic disease or inherited dermatitis characterized by ‘dark crusty patches' on skin, which sometimes contain pus. These patches are known as keratosis follicularis or keratotic papules. Although complications are uncommon, the disease can cause bacterial sepsis, as well as Kaposi's varicelliform eruption. [read more]

  5. Daytime Sleepiness
    Prolonged nighttime sleep or recurrent episodes of excessive daytime sleepiness are among the characteristics of Hypersomnia. [read more]

  6. De Lange Syndrome
    De lange syndrome, or Cornelia de Lange syndrome (CdLS), is a rare congenital disorder that affects a person's physical features and developmental processes. [read more]

  7. De Quervain's Tenosynovitis
    De Quervain's tenosynovitis is characterized by the abnormal pain experience on the hand and wrist area. The pain is generally caused by the swelling of the sheath of tendons located on the thumb side of the wrist. This causes the pain and discomfort for every turn of the wrist, clenching the fist and grasping anything. [read more]

  8. De Sanctis-Cacchione Syndrome
    De Sanctis-Cacchione syndrome is a very uncommon disorder distinguished by eye and skin manifestations of XP or xeroderma pigmentosum, occurring in involvement with mental retardation, neurological abnormalities, underdeveloped ovaries or testes, and abnormally short stature or dwarfism. [read more]

  9. Deafblindness
    Deafblindness is the condition characterized by a combination of hearing and vision losses, which causes difficulty in communication, access to information, and mobility. Causes of the condition are classified into two categories; congenital and acquired. Deafblindness can be acquired through illness, injury or due to old age. Congenital blindness can be a result of prenatal infection, chromosomal syndromes like Down's syndrome, birth trauma or heavy alcohol and drug use of a pregnant mother. [read more]

  10. Decubitus Ulcer
    Decubitus ulcer is the medical term used to describe bed sores. It can be treated by constant cleaning of the wounds. [read more]

  11. Deep Skin Infection
    Deep skin infection, or cellulites, is the inflammation of the connective tissues underneath the skin. It is a bacterial infection brought about by exogenous bacteria due to previous wounds, bites, sores or lacerations. This infection, when not treated, may lead to necrotizing fasciitis, wherein the bacteria eats away the affected tissue resulting to amputation. [read more]

  12. Deep Vein Thrombosis
    Deep vein thrombosis is a medical condition characterized by blood clot formation in any deep veins of the body; usually occurring on the leg. The condition is considered as a serious condition because there is a possibility that it may lead to pulmonary embolism caused by a blood clot that had travelled and reached the lung. [read more]

  13. Deerfly Fever
    Deerfly fever is otherwise known as Tularemia which is characterized by a rare and infectious disease that primarily attacks the eyes, skin and lungs. There are less than 200 reported cases of this disease annually, and is known to affect mostly the south-central and western states. Deerfly fever spreads through humans though a number of routes, including direct exposure and insect bites from an infected animal. [read more]

  14. Degenerative Joint Disease
    Degenerative joint disease, also known as osteoarthritis, is the inflammation of the joints. It affects various joints such as the back, neck, knees, fingers, and hips. The disease occurs mostly people over the age of 45. [read more]

  15. Degenerative Nerve Disease
    Degenerative nerve disease, also known as amyotrophic lateral sclerosis, is a progressive fatal illness that affects the motor neurons that control the body's skeletal muscles. It is characterized by paralysis and weakening of the voluntary muscles. It is also known as Lou Gehrig's disease. [read more]

  16. Degos Disease
    Degos disease is an uncommon systematic disease that involves the medium and small sized arteries, wherein these arteries become blocked. The disease typically progresses into two stages. The first stage is characterized by the appearance of distinguishing skin lesions that may stay for some time, ranging from a few weeks to several years. Lesions inside the small intestines often mark the second stage, and other organs can also be affected. [read more]

  17. Dejerine-Sottas Disease
    Dejerine-Sottas disease is an uncommon genetic motor and sensory polyneuropathy that manifests progressive effects on mobility. The peripheral nerves thicken and enlarge, leading to weakness of the muscle. The progress of this disease is irregular, as well as frequently accompanied by numbness, pain, weakness, and a burning, prickling, or tingling sensations in one's legs. [read more]

  18. Delayed Gastric Emptying
    A condition in which the muscles of your stomach don't function normally is called gastroparesis or delayed gastric emptying. Usually, strong muscular contractions propel food through the digestive tract, and if the muscles in the wall of the stomach work poorly or not all, it would prevent the stomach from emptying properly and therefore, letting one would experience delayed gastric emptying. [read more]

  19. Delirium
    The word "delirium" typically hints a state of feverish ecstasy that is believed to fuel some sort of artistic creation or some form of spiritual awakening, it can actually be clearly defined as a form of medical condition. Delirium is basically characterized a decline in attention, mental clarity and awareness that is often known to be triggered by a serious illness. [read more]

  20. Dementia Senilis
    Dementia senilis, or senile dementia, is a mental illness common among the elderly. It is characterized by loss of attention span and short-term memory. It is considered an effect of Alzheimer's disease. [read more]

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