Dental Cavities
Dental cavities are holes that affect tooth structure due to tooth decay. Learn about dental cavity causes, symptoms, tests, treatment and prevention.
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Diseases and Medical Conditions D-F provides down-to-earth, comprehensive definitions of hundreds of ailments and illnesses beginning with the letters D-F. Each listing identifies causes, incidence and risk factors, notes symptoms, outlines tests and discusses treatments and support groups where applicable.
Featured Article: Dry Eye Syndrome
Dry eye syndrome is a reduced production of tears by the tear glands. Learn about dry eye syndrome causes, symptoms, tests, treatment and prevention. See more »
Depression In-Depth
Get helpful Depression resources, support, information and contacts on this page.
See more »Ear Infections In-Depth
Acute ear infections are short and painful episodes of ear pain or discomfort. Learn about acute ear infection causes, symptoms, treatment and prevention.
See more »Eating Disorders In-Depth
Get helpful eating disorder resources, support, information and contacts on this page.
See more »Endometriosis In-Depth
Endometritis is the inflammation or irritation of the endometrium from infection, childbirth or abortion. Learn about endometritis causes, symptoms, tests, treatment and prevention.
See more »Epilepsy In-Depth
Epilepsy causes recurring seizures that can cause mental and physical dysfunction. Learn about epilepsy, epileptic seizure and treatment.
See more »Fibromyalgia In-Depth
Fibromyalgia affects up to 6 million Americans. Learn about fibromyalgia risk factors, symptoms, treatments and why behavioral therapy helps.
See more »Foot Pain In-Depth
Foot pain can be caused by a variety of injuries and medical conditions. Learn about foot pain causes, prevention, treatment, insoles and orthotics.
See more »Dacryoadenitis
Dacryoadenitis is a viral or bacterial infection and inflammation of the lacrimal gland. Learn about dacryoadenitis causes, symptoms, tests, treatment and prevention.
See more »Deep Intracerebral Hemorrhage
Deep intracerebral hemorrhages are a type of stroke from bleeding in the deep brain sections. Learn about deep intracerebral hemorrhage causes, symptoms, tests, treatment and prevention.
See more »Deep Venous Thrombosis
Deep venous thrombosis or DVT is a blood clot in a deep vein often in the lower legs or thigh. Learn about DVT causes, symptoms, tests, treatment and prevention.
See more »Dehydration
Dehydration occurs when your body does not have enough water or fluids as it should. Learn about dehydration causes, symptoms, tests, treatment and prevention.
See more »Delayed Ejaculation
Delayed ejaculation is an inhibition of ejaculation due to psychological reasons or medication. Learn about delayed ejaculation causes, symptoms, tests, treatment and prevention.
See more »Delirium
Delirium is a condition of severe confusion and rapid brain function changes usually due to illness. Learn about delirium causes, symptoms, tests, treatment and prevention.
See more »Delirium Tremens
Delirium tremens is a disorder causing sudden and severe psychosis or seizures from abrupt alcohol cessation. Learn about delirium tremens causes, symptoms, tests, treatment and prevention.
See more »Delta Agent (Hepatitis D)
Hepatitis D or delta agent involves a defective viral agent causing only hepatitis B associated symptoms. Learn about hepatitis D causes, symptoms, tests, treatment and prevention.
See more »Dementia
Dementia refers to a group of illnesses affecting memory, behavior, learning and communication. Learn about dementia types, causes, symptoms, tests, treatment and prevention.
See more »Dementia Due To Metabolic Causes
Dementia due to metabolic causes may cause reversible or irreversible confusion and changes in intellect. Learn about dementia due to metabolic cause symptoms, tests, treatment and prevention.
See more »Dengue Fever
Dengue fever is a mosquito transmitted viral illness causing fever, joint pain and rashes. Learn about Dengue fever causes, symptoms, tests, treatment and prevention.
See more »Dengue Hemorrhagic Fever
Dengue hemorrhagic fever is a potentially fatal infection of someone immune to another Dengue virus. Learn about Dengue hemorrhagic fever causes, symptoms, treatment and prevention.
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