eMedTV Conditions & Diseases A-Z

Neurosarcoidosis

Neurosarcoidosis is a form of sarcoidosis that affects the brain or central nervous system. This page from the eMedTV archives provides a detailed description of this condition, including information on its symptoms, diagnosis, and treatment.

Non-Small Cell Lung Cancer

Non-small cell lung cancer is the more common of the two general types of lung cancer. This section of the eMedTV library discusses the specific forms of the non-small cell type and provides information about tests used to diagnose the disease.

Nonepileptic Seizures

As this eMedTV article explains, nonepileptic seizures look like epileptic seizures, but they do not cause the brain activity associated with epileptic seizures. This page highlights the conditions (such as narcolepsy) that may cause these seizures.

Nonmelanoma Skin Cancer

Types of nonmelanoma skin cancer include basal cell carcinoma and squamous cell carcinoma. As this eMedTV article explains, treatment includes laser surgery and cryosurgery. It also explains the importance of follow-up exams after treatment.

Normal Pressure Hydrocephalus

With normal pressure hydrocephalus, a buildup of cerebrospinal fluid puts pressure on the brain. This eMedTV article explains this condition in detail, including information on its diagnosis, treatment, prognosis, symptoms, and more.

Norovirus Gastroenteritis

Norovirus gastroenteritis ("stomach flu") is a contagious illness that can cause diarrhea and vomiting. This eMedTV article discusses norovirus gastroenteritis in more detail, including information about how it is transmitted, treated, and prevented.

Norwegian Scabies

Norwegian scabies is a more severe form of the skin infestation caused by the mite Sarcoptes scabiei. This eMedTV Web page explains who usually gets the disease, how it is spread, possible symptoms, and treatment options.

Obesity

When trying to determine your options for getting obesity help, you should start by talking to your doctor. This eMedTV page takes an in-depth look at when it may be time to lose weight and offers tips on what to look for in a weight loss program.

Obsessive-Compulsive Disorder

Obsessive-compulsive disorder is often characterized by urgent, frequent hand-washing or other rituals. This eMedTV segment takes an in-depth look at this condition, including how it is diagnosed, how it can be treated, and other symptoms that may occur.

OCD

OCD is an illness in which a person is constantly bombarded with unwanted obsessions and compulsions. This eMedTV article explains obsessive-compulsive disorder in detail, including causes, symptoms, and available treatments.

In-depth Information On Ocular Myasthenia Gravis

Ocular myasthenia gravis is a condition that can cause eye weakness that increases during activity. This eMedTV segment provides an overview of this condition, including information on its symptoms, causes, and treatment options.

Ocular Rosacea

Ocular rosacea is a skin condition that often results in eye irritation. This part of the eMedTV library talks about this condition in greater detail, including possible causes, a list of common symptoms, and treatment options.

Open Angle Glaucoma

Open angle glaucoma (the most common type) is one of the leading causes of blindness in the United States. This eMedTV Web page describes this condition in detail, with information on possible symptoms, risk factors, treatment options, and more.

Orbital Cellulitis

Orbital cellulitis is an infection that can lead to permanent vision problems. This segment of the eMedTV site discusses the bacteria that cause the condition in adults and children, possible symptoms, risk factors, complications, and treatment options.

Osteoarthritis

Osteoarthritis is a common joint disease in which cartilage has worn away. This eMedTV article provides detailed information about osteoarthritis, including its common symptoms, how many people it affects, and how it may be treated and prevented.

Osteogenesis Imperfecta

Osteogenesis imperfecta is a bone disease characterized by bones that break easily. This segment of the eMedTV library provides a detailed overview of the conditions, including its causes, symptoms, treatment options, and more.

Osteopenia

Osteopenia is not the same as osteoporosis, although both are characterized by decreased bone density. This eMedTV Web page explains the difference between the two conditions and explains how they are diagnosed.

Osteoporosis

Although bone loss is a natural part of aging, when it occurs too quickly, it is called osteoporosis. This eMedTV health channel contains a range of articles on the topic, including symptoms and preventive measures, as well as bone density testing.

Osteoporosis

Osteoporosis often results in brittle bones that are easily fractured. This part of the eMedTV library provides a general overview of this condition, including what it is, how it develops, how it is treated, and more.

Osteosarcoma

Osteosarcoma is a form of bone cancer that most often affects children and young adults. This eMedTV segment offers an overview of this condition, including information about its symptoms, diagnosis, treatment, and more.

Otitis Media

Common causes of otitis media (ear infection) are bacteria or viruses that get inside the ear. This part of the eMedTV Web site explains the risk factors and causes of this condition, as well as what happens inside the ear during an infection.

Ovarian Cancer

Ovarian cancer occurs when malignant (cancerous) cells develop in the ovaries. This segment of the eMedTV Web site provides a wealth of information on ovarian cancer, covering all aspects of the disease, from symptoms to treatment options and more.

Ovarian Cancer

When cancerous cells form in the tissues of the ovaries, this is known as ovarian cancer. This eMedTV article provides an in-depth look at the condition, including symptoms, treatment options, prognosis, and more.

Ovarian Epithelial Cancer

This eMedTV resource offers a detailed look at ovarian epithelial cancer (a disease in which cancer cells form in the tissue covering the ovary). It also explains possible symptoms, treatment options, and factors that affect a woman's prognosis.

Ovarian Germ Cell Cancer

This eMedTV resource offers a detailed discussion of ovarian germ cell cancer, a disease in which malignant cells form in the germ cells of the ovary. It explores possible symptoms, treatment options, and factors that affect a woman's prognosis.

Overactive Bladder

Overactive bladder is also known as urge incontinence. This eMedTV article discusses the condition in detail, explaining its causes, symptoms, and treatment. This page also links to other articles about urinary incontinence.

Overactive Thyroid

Overactive thyroid is a condition where a person's thyroid hormone levels are too high. This eMedTV selection gives an overview of this condition, with information on treatment options, common symptoms, making a diagnosis, and more.

Paget's Disease of the Nipple

Paget's disease of the nipple is a rare form of breast cancer that is located in or around the nipple. This eMedTV resource provides an in-depth look at the disease and includes information about symptoms, diagnostic methods, and treatment options.

Pancreatic Cancer

Pancreatic cancer is condition where cancerous cells first develop in the pancreas. This eMedTV article provides an overview of the disease, including information about its symptoms and a discussion of its diagnosis and treatment.

Pancreatic Islet Cell Cancer

As this eMedTV resource explains, pancreatic islet cell cancer is a disease in which cancer cells form in the hormone-producing areas of the pancreas. This article offers an in-depth look at pancreatic islet cell cancer and how it is treated.

Pancreatitis

Pancreatitis is an inflammation of the pancreas. As this eMedTV article explains, it comes in two forms: acute and chronic. This part of the Web site provides detailed information on the causes, symptoms, diagnosis, and treatment of this condition.

Pandemic Flu

The 20th century has seen several instances of pandemic flu. This eMedTV page explains the difference between a pandemic and a typical outbreak of the flu. This article also talks about what to expect in the event of another pandemic.

Panic Attacks

People who experience panic attacks often have chronic, sudden episodes of fear that appear without warning. This eMedTV segment discusses the condition (known as panic disorder) in detail, including common symptoms and available treatment options.

Panic Disorder

People with a panic disorder often experience sudden episodes of extreme fear for no reason. This portion of the eMedTV library provides important facts on the condition, such as symptoms that may occur and treatment options that are available.

Paranoid Schizophrenia

The most prevalent form of schizophrenia is paranoid schizophrenia. As discussed in this article from the eMedTV Web site, people with this condition tend to experience severe delusions and auditory hallucinations based on paranoia.

Parkinson's Disease

Parkinson's disease is a chronic and progressive neurological disorder that typically causes tremors. This eMedTV page provides an overview of Parkinson's disease, including information on possible symptoms, statistics, and treatment options.

Parkinsonism

Parkinsonism is a type of disorder that affects voluntary movement. This selection from the eMedTV Web library takes an in-depth look at the different types of this condition, such as Parkinson's disease and several others.

Paroxysmal Atrial Fibrillation

Paroxysmal atrial fibrillation is a type of irregular heartbeat that occurs only occasionally. As this eMedTV segment explains, an episode of paroxysmal atrial fibrillation may last a few minutes, hours, or days.

PDD

People with PDD tend to have delayed development with regard to socialization and communication skills. This eMedTV article discusses this condition in detail, including the different types, symptoms, and techniques that can improve a person's outcome.

Pediatric Urinary Tract Infection

Each year, about 3 percent of children in the United States have a urinary tract infection. In children, as this eMedTV page explains, symptoms may include unexplained fever, incontinence, and irritability. Treatment is essential to prevent damage.

Perianal Cellulitis

Perianal cellulitis is a bacterial infection that occurs around the anal orifice. This eMedTV Web page discusses the causes and symptoms of this condition, and provides information about diagnosing and treating the infection.

Periodic Limb Movement Disorder

People with periodic limb movement disorder experience involuntary leg twitching or jerking during sleep. This eMedTV article discusses this condition in detail, with information on causes, symptoms, treatment options, and more.

Periorbital Cellulitis

Periorbital cellulitis is a bacterial infection that occurs around the eyelid. This section of the eMedTV library provides information about possible symptoms of this condition and discusses how it is diagnosed, treatment options, and more.

Pertussis

How does pertussis get into the body? As this eMedTV resource explains, pertussis is transmitted through contact with an infected person's respiratory secretions, which are most often transmitted when the infected person sneezes or coughs.

Pervasive Developmental Disorder

Pervasive developmental disorder involves delays in the development of social and communication skills. This eMedTV article discusses the various types of PDD and treatment options, and explains the importance of early intervention.

Pet Allergy

Many people believe pet allergies are triggered by the fur of cats and dogs. However, as this eMedTV article explains, the major pet allergens are actually proteins in the saliva of animals. This resource talks about this type of allergy in detail.

Peyronie's Disease

Peyronie's disease involves a plaque that develops on the penis in the layers containing erectile tissue. This eMedTV resource explains how pain and lack of flexibility associated with the disease can affect sexual intercourse and treatment options.

Pharyngitis

Pharyngitis, or a sore throat, is one of the most common reasons people seek medical attention. This eMedTV Web article provides a complete overview of what causes this condition, how to diagnose it, and possible treatment options that are available.

Pheochromocytoma

A pheochromocytoma is a tumor that most often develops in the chromaffin cells of the adrenal glands. This eMedTV article offers an overview of this type of tumor, including information about possible symptoms, diagnosis, treatment, and more.

Phobias

There are several different types of phobias, such as a fear of heights or social interactions. As this eMedTV article explains, however, they all share common traits. This page looks at how these intense fears develop and how they can be treated.

Piriformis Syndrome

Piriformis syndrome occurs when the muscle with the same name compresses or irritates the sciatic nerve. This eMedTV article describes the symptoms and treatment options for this condition, which is a rare neuromuscular disorder.

Pituitary Adenoma

A pituitary adenoma is a noncancerous tumor affecting the pituitary gland. This eMedTV article explains how this condition is diagnosed, the different types, and treatment methods available. Links to specific information are also included.

Pituitary Macroadenoma

A pituitary macroadenoma is a tumor of the pituitary gland that is more than 10 mm in size. This eMedTV article offers an overview of such tumors, including information about symptoms of pituitary macroadenomas and treatment options for them.

Pituitary Microadenoma

A pituitary microadenoma is a tumor in the pituitary gland that is less than 10 mm in size. This eMedTV segment describes different types of pituitary microadenomas and explains how they are diagnosed and treated.

Pituitary Tumor

Autopsy studies indicate that 25 percent of the American population has small pituitary tumors. However, as this eMedTV resource explains, they are usually not cancerous. This page takes an in-depth look at this type of tumor.

Placenta Accreta

Placenta accreta, as this eMedTV article explains, is a serious condition in which the placenta becomes too firmly attached to the walls of the uterus. In some cases, a hysterectomy is needed to fix the problem.

Placenta Previa

Placenta previa is a condition characterized by the placenta partially or totally blocking the cervix. This eMedTV resource provides an in-depth look at this medical condition and explains the risk it poses for a safe vaginal delivery.

Placental Abruption

Placental abruption occurs when the placenta becomes detached from the uterus too early. As this eMedTV segment explains, if this happens, cesarean delivery is usually recommended because of the serious risk posed to the mother and the baby.