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DISEASES INDEX [D]

Common Diseases List (D): Find medical advices, information and definitions about common diseases, illnesses, disorders, syndroms and deficincies. What are the signs, symptoms, causes, diagnosis, management, and treatments information. Click the disease link to view details.

Dandruff definition: Marked by itching & 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 & is rarely serious....
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....
Dandy-Walker syndrome is defined as a brain deformity that involves the 'cerebellum' & 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 ventric...
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, a...
Daytime sleepiness definition: Prolonged nighttime sleep or recurrent episodes of excessive daytime sleepiness are among the characteristics of Hypersomnia....
De lange syndrome, or Cornelia de Lange syndrome (CdLS), is a rare congenital disorder that affects a person's physical features & developmental processes....
De Quervain's tenosynovitis is characterized by the abnormal pain experience on the hand & 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 & discomfort for every turn of the wrist, clenching the fist & gra...
De Sanctis-Cacchione syndrome is a very uncommon disorder distinguished by eye & skin manifestations of XP or xeroderma pigmentosum, occurring in involvement with mental retardation, neurological abnormalities, underdeveloped ovaries or testes & abnormally short stature or dwarfism....
Deafblindness is the condition characterized by a combination of hearing & vision losses, which causes difficulty in communication, access to information & mobility. Causes of the condition are classified into two categories; congenital & acquired. Deafblindness can be acquired through illness, inju...
Decubitus ulcer is the medical term used to describe bed sores. It can be treated by constant cleaning of the wounds....
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...
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 trav...
Deerfly fever is otherwise known as Tularemia which is characterized by a rare & infectious disease that primarily attacks the eyes, skin & lungs. There are less than 200 reported cases of this disease annually & is known to affect mostly the south-central & western states. Deerfly fever spreads thr...
Degenerative joint disease, also known as osteoarthritis, is the inflammation of the joints. It affects various joints such as the back, neck, knees, fingers & hips. The disease occurs mostly people over the age of 45....
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 & weakening of the voluntary muscles. It is also known as Lou Gehrig's disease....
Degos disease is an uncommon systematic disease that involves the medium & 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, ran...
Dejerine-Sottas disease is an uncommon genetic motor & sensory polyneuropathy that manifests progressive effects on mobility. The peripheral nerves thicken & enlarge, leading to weakness of the muscle. The progress of this disease is irregular, as well as frequently accompanied by numbness, pain, we...
Delayed gastric emptying definition: 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 & if the muscles in the wall of the stomach work poorly or not all, it would prevent the stomach...
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 &...
Dementia senilis, or senile dementia, is a mental illness common among the elderly. It is characterized by loss of attention span & short-term memory. It is considered an effect of Alzheimer's disease....
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 infesta...
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 oth...
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 & muscle pain & high fever. Its severe forms can additionally result to sudden blood pressure drop, severe b...
Dengue hemorrhagic fever is characterized by a severe & even potentially deadly form of infection that is spread by certain types of mosquitoes....
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 & discolorations like brown spots. It can also cause pitting & is often affects young teeth that has not yet erupted into the or...
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 & regular cleaning done by a dentist....
Dentinogenesis imperfecta is a disorder of tooth development brought about by abnormal genetic mutations in the DSPP gene. It causes discolorations in teeth & development of abnormally weak dentin causing teeth to break easily & break easily as well. It is otherwise called as hereditary Opalescent D...
Dent's disease, also known as Dent Disease, is a rare X-linked recessive condition that is hereditary. It affects the Kidney & is one of the many causes of Fanconi syndrome. It is characterized by hypercalciuria, tubular proteinuria, nephrocalcinosis, chronic renal failure & calcium nephrolithiasis....
Depersonalization Disorder (DPD) is a special type of dissociative disorder where an afflicted individual suffers from recurrent & 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 ...
Depression in children is a form of emotional disorder that affects the child's psychological, emotional & social behaviors. This kind of depression sets the pace towards the child's outlook in life & can be the cause of his erratic behavior upon reaching adulthood....
Depression in older people is a stage where an adult, who has gone past his prime years, experiences anxiety & long-term sadness due to a series of reflections of the things that happened in the past....
Dercum's disease aka adiposis dolorosa definition: 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 & usually affects obese women....
Dermatitis herpetiformis definition: Dermal herpetiformis is a disorder of the skin, chronic in nature & 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 & a fluid-fille...
Dermatitis statis definition: Hugely affecting your legs that may appear to have red & 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....
Dermatitis, nipple definition: Nipple dermatitis is characterized itchiness as well as the soreness of one or even both nipples....
Dermatitis, nummular definition: 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 & raised bumps on the surface of the skin. These growths are often scaly....
Dermatitis, perioral definition: 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 & often slightly bumpy or scaly in texture. It can gradually spread up around the nose area & even move up to the eyes....
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 & tender. It is also believed to be a reaction of the skin to previous injuries. Some...
Dermatographia definition: 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....
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 dis...
Dermatomyositis definition: Dermatomyosis is a disease of the connective tissues associated with muscles & skin inflammation. Juvenile dermatomyositis affects young children often associated with pink patches in the knuckles, abnormal & painful erection of the penis that can last for a long period of time & groton's papules. I...
Dermatopathia pigmentosa reticularis is a congenital disorder most common in women. It is a rare type ectodermal dysplasia disorder. Although most cases are reported in Europe, there is not enough evidence to say that the disease is associated with any race....
Dermatophytids are skin lesions & erruptions that is occurs as an allergic reaction to the ringworm infections. These lesions, however are free of fungal forms & are generally vesicular & papular in some cases. Dermatophytes often occur in the feet & hands. It also resembles erythema nodosum...
Dermatophytosis, similarly known as athlete's foot is a common fungal infection among many people. It usually affects spaces in between your toes but it can spread to your soles, toenails & the sides of your feet....
Dermatophytosis is a skin disorder caused by a parasitic fungus called Dermatphyte. Dermatophyte feeds on keratin that usually found in the ectoderm or the outer layer of the skin, nails & hair....
DES syndrome is a term used to describe the abnormalities suffered by an infant due to diethylstilbestrol (DES) medications the mother used to take during pregnancy to avoid miscarriage....
Desmoid tumor is a tendon-like benign fibrous neoplasms. It originates from the musculoaponeurotic structures found in the entire body. It appears as firm overgrowths of tissues, usually fibrous, locally aggressive, well differentiated & infiltrative. Other terms used for this disorder are deep fibr...
Desmoplastic small round cell tumor definition: Also known as DSRCT, it is a very aggressive tumor that occurs rarely, a type of cancer that always grows in the abdomen & spreads locally to the lymph nodes. It can also spread to other parts of the body like the lungs, bones & liver, chest walls, spinal cord, large & small intestine, skull, bladde...
Developmental delay is a disorder in which a child goes through an abnormally slower process of development than expected. His mental & physical skills develop very slowly. This condition is also called cerebral palsy....
Devic syndrome is an autoimmune disease that attacks the protein of the central nervous system which is called aquaporin. This is a condition in which the fatty covering of the spinal cord is destroyed & the nerves in the eyes are affected causing sight loss & pain. A form of multi sclerosis that is...
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