eMedTV Conditions & Diseases A-Z

Herpes Encephalitis

Herpes encephalitis is a rapidly progressing disease. As this eMedTV segment explains, it is the single most important cause of fatal sporadic encephalitis in the United States. This page discusses symptoms, transmission, and the importance of treatment.

Herpes Zoster

Herpes zoster is a condition that is characterized by symptoms such as a rash and pain. This eMedTV page explains this condition in more detail, including treatment, diagnosis, and how it is caused by the same virus that causes chickenpox.

Herpes Zoster Oticus

Herpes zoster oticus is a common complication of shingles. As this eMedTV article explains, it may result in hearing loss and facial paralysis. This segment offers an in-depth look at the symptoms, treatment, and prognosis of herpes zoster oticus.

Hib

Until recently, Hib disease was a cause of serious (often deadly) infections in children under age five. This eMedTV resource tells you what you need to know about this disease, including information on its symptoms, transmission, and prevention.

High Blood Pressure

People with an average blood pressure reading of more than 140/90 have high blood pressure. This section of the eMedTV library explains this condition in detail, including the different types, how it is diagnosed, causes, and treatment options.

High Cholesterol

Effects of high cholesterol due to atherosclerosis include angina, heart attack, and stroke. This eMedTV Web page highlights these and other health risks associated with this condition and also explains treatment options.

High Prolactin Levels

Causes of high prolactin levels may include such things as pregnancy, breastfeeding, and a prolactinoma. This eMedTV article discusses these and other possible causes of high prolactin levels, including hypothyroidism and certain medications.

High Triglycerides

High levels of triglycerides can lead to health problems such as heart disease and heart attack. This eMedTV resource explains what triglycerides are, what causes levels to become high, possible symptoms, treatment options, and more.

Hirschsprung's Disease

Hirschsprung's disease, an illness of the large intestine, is characterized by severe constipation. This eMedTV article describes the condition in more detail, including its causes, symptoms, and treatment options.

HIV

HIV (human immunodeficiency virus) gradually makes the body unable to fight certain cancers and infections. This eMedTV Web page discusses the diagnosis, prevention, transmission, and symptoms of HIV and AIDS.

Hodgkin's Disease

Hodgkin's disease is a type of cancer that develops in the lymphatic system. This eMedTV article offers an overview of this condition, including information about its symptoms, as well as treatment options and the general prognosis.

Hodgkin's Lymphoma

Hodgkin's lymphoma is an uncommon form of cancer that begins in the lymphatic system. This eMedTV Web page provides an introduction to this condition, including a discussion of its symptoms and information about its diagnosis and treatment.

Hog Cholera

Hog cholera is a contagious disease that can occur in swine, and is caused by a virus. This portion of the eMedTV archives describes prevention, transmission, and symptoms of the three different types and what would happen during an outbreak.

Hot Tub Rash

Hot tub rash is caused by Pseudomonas aeruginosa, which is a common bacteria found in water and soil. This eMedTV resource discusses this condition in detail, including symptoms, transmission methods, and treatment options.

House Dust Allergy

This segment of the eMedTV library discusses house dust allergy in detail, including what it's made of. It's not just dirt, but a collection of particles that can cause allergies. Strategies for minimizing allergens in the home are also offered.

HPV

This section of the eMedTV library contains a wealth of information on HPV (human papillomavirus). The articles in this section cover a wide range of subjects, ranging from transmission and symptoms to treatment and prevention.

HPV

Human papillomavirus (HPV) is the cause of genital warts. However, as this eMedTV page explains, many infected people have no symptoms. This article gives a general overview of HPV, including information about diagnosis, transmission, and treatment.

Huntington's Disease

Huntington's disease is a progressive brain disorder that is the result of a genetic defect. This eMedTV article provides an overview of the condition, including information about how it is inherited, the diagnostic process, treatment, and more.

Hydrocephalus

Hydrocephalus is a condition where extra fluid builds up in the brain and causes pressure. This part of the eMedTV Web site takes a closer look at hydrocephalus, including information on its symptoms, diagnosis, treatment, and more.

Hypertension

When pressure inside blood vessels is too high, it is called hypertension. As this eMedTV resource explains, the cause is often unknown and symptoms can go unnoticed. Changes in diet and medications are common approaches in treating hypertension.

Hypertension

Hypertension is the medical term for high blood pressure. This eMedTV article describes this medical condition in detail, including why blood pressure matters and associated health risks.

Hypothyroidism

Hypothyroidism occurs when a person's thyroid hormone levels are too low. This segment of the eMedTV library discusses this condition in detail, explaining how an underactive thyroid is diagnosed, possible symptoms, treatment options, and more.

Idiopathic Pulmonary Fibrosis

Idiopathic pulmonary fibrosis (IPF) is a disease that causes inflammation and scarring in the lungs. This eMedTV Web page provides a complete overview of the condition, including information on possible causes, symptoms, and treatment options.

Impotence

Impotence generally refers to the repeated inability to get or keep an erection. This eMedTV resource explains what causes the condition, the importance of discussing it with your healthcare provider, and possible treatment options.

Infant Botulism

The most common type of botulism is infant botulism, which accounts for 75 percent of all cases each year. This eMedTV segment explains this condition in detail, including causes, symptoms, treatments, and prognosis, and more.

Infant GERD

Even though they spit up and vomit, most babies with gastroesophageal reflux disease are healthy and happy. This eMedTV segment examines infant GERD in detail and describes feeding and sleeping modifications that can help reduce symptoms.

Infectious Arthritis

Infectious arthritis is a catch-all term describing joint inflammation caused by germs. This article on the eMedTV Web site describes some of the different types, such as septic arthritis, and explains how they are diagnosed and treated.

Inflammatory Breast Cancer

With inflammatory breast cancer, cancer cells block lymph vessels in the skin of the breast. This eMedTV article discusses this type of breast cancer in detail, including possible symptoms and treatment options.

Influenza

An estimated 10 to 20 percent of Americans come down with influenza, or the flu, each year. This eMedTV page covers this highly contagious respiratory infection, including how it is transmitted, who is at risk, and how it's different from a cold.

Inhalation Anthrax

Inhalation anthrax is a rare form of anthrax infection caused by breathing in anthrax bacteria or spores. This eMedTV article discusses this disease in detail, including information about its symptoms and treatment.

Insomnia

Insomnia is a sleep disorder that prevents a person from getting a full night's sleep. This eMedTV resource describes the types of articles contained in this eMedTV channel and explains how to navigate the page to find the information you need.

Insomnia

Insomnia is the inability to get enough sleep. This portion of the eMedTV library describes the causes, effects, types, and treatment of this condition. It also discusses how much sleep most people need and offers statistics about the condition.

Internal Hemorrhoids

Internal hemorrhoids occur as a result of increased pressure within the internal hemorrhoidal veins. This eMedTV Web page offers an in-depth look at the causes, symptoms, and treatment options for this condition, with links to specific information.

Interstitial Cystitis

Interstitial cystitis is a bladder condition that can cause pain, as well as a frequent need to urinate. This eMedTV article provides detailed information on the condition, including common symptoms, possible causes, treatment options, and more.

Intraocular Melanoma

Intraocular melanoma is a rare form of cancer that develops in the eye and occurs most often in middle age. This eMedTV resource describes intraocular melanoma and how it is diagnosed, staged, and treated.

Intussusception

Intussusception is a condition in which one part of the intestine tunnels into an adjoining section. This eMedTV article offers an overview of this condition, including information about its causes, symptoms, diagnosis, and treatment.

Irritant Contact Dermatitis

Irritant contact dermatitis is a condition that can occur when skin is exposed to an irritating substance. This eMedTV resource offers an in-depth look at this skin condition, noting in particular its causes, symptoms, and treatment options.

Ischemic Stroke

As this eMedTV Web page explains, an ischemic stroke is a type of stroke in which oxygen- and nutrient-rich blood cannot reach the brain. This article discusses this type of stroke, including its causes, its symptoms, its diagnosis, and its treatment.

Isolated Systolic Hypertension

If your systolic blood pressure is too high, you have isolated systolic hypertension. This eMedTV article offers an in-depth look at isolated systolic hypertension -- the most common form of the disease -- including causes, symptoms, and treatment.

Japanese Encephalitis

Japanese encephalitis is a potentially serious disease spread by infected mosquitoes in parts of Asia. This eMedTV resource discusses this disease in detail, including information on transmission, symptoms, treatment options, and more.

Juvenile Huntington Disease

Juvenile Huntington disease is a brain disorder in which symptoms tend to develop before age 20. This eMedTV Web page describes juvenile Huntington disease (HD) and explains how its symptoms differ from those seen with adult-onset HD.

Juvenile Rheumatoid Arthritis

Juvenile rheumatoid arthritis causes prolonged joint inflammation in children younger than 16. This eMedTV article provides an overview of this condition, including information about its symptoms and how they are treated.

Kegel Exercises

Kegel exercises strengthen the muscles that hold the bladder and many other organs in place. This eMedTV article discusses these exercises in detail, with information on how to perform them and the benefits they provide.

Kidney Cancer

Kidney cancer is a disease that develops when cancerous cells first grow in the tissues of the kidneys. This eMedTV article offers a detailed overview of this condition, including information about symptoms, treatment options, prognosis, and more.

Kidney Stones

Kidney stones are a painful condition that results when crystals in urine clump together. This eMedTV health channel contains a wealth of information on the topic and also explains how to navigate the site to find the information you need.

Kidney Stones

Kidney stones develop when certain materials clump together instead of being eliminated in urine. As this eMedTV page explains, the condition can be due to diet or certain medical conditions. Common symptoms and treatment options are also discussed.

Klinefelter Syndrome

Klinefelter syndrome can cause sparse facial hair, small testes, and breast development in men. This eMedTV selection takes a closer look at this genetic condition, including its causes, symptoms, treatment options, and more.

Labor

Early signs of labor are different for each woman and with each pregnancy. This page of the eMedTV site explains the difference between false labor and true labor -- the most obvious being contractions that increase in strength and duration.

LaCrosse Encephalitis

Caused by a mosquito-borne virus, LaCrosse encephalitis is a rare disease that usually affects children. As this eMedTV article explains, it gets its name from LaCrosse, Wisconsin. This page provides an overview of LaCrosse encephalitis.

Lactose

Hidden lactose may be found in foods such as baked goods, breakfast cereals, and instant potatoes. This eMedTV segment talks about hidden lactose and explains how it is even found in some prescription and over-the-counter medications.

Lactose Intolerance

Between 30 and 50 million Americans are lactose intolerant (unable to digest a sugar called lactose). This eMedTV Web page offers an overview of the causes, symptoms, and treatment of lactose intolerance.

Latent Tuberculosis

Latent tuberculosis is the more common form of tuberculosis. As this eMedTV page explains, this form of tuberculosis takes place when bacteria in the body become inactive but remain alive, sometimes becoming active later.

Latex Allergy

A latex allergy is a reaction to certain proteins in latex rubber. As this eMedTV article explains, it can result in symptoms such as skin rash, hives, and itching. This page also offers tips on minimizing your exposure to latex.