eMedTV Health Topics A-Z

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.

Nor-QD

Nor-QD is a progestin-only birth control pill often used by breastfeeding women. This article from the eMedTV Web site explores the advantages and disadvantages of Nor-QD, explains how it works, and lists potential side effects that may occur.

Nora-BE

Nora-BE is a generic progestin-only birth control pill that is available by prescription. This eMedTV segment describes the effects of Nora-BE, explains how and when to take this form of contraception, and lists possible side effects that may occur.

Norco

Norco is a prescription drug licensed to treat moderate to moderately severe pain. This eMedTV page describes Norco in more detail and offers a more in-depth look at how the drug works, its dosing information, and possible side effects that may occur.

Nordette

Nordette is a combined oral contraceptive that can only be obtained with a prescription. This eMedTV resource describes this form of birth control in more detail, explores how it works, and explains what you should know before using it.

Norinyl

Norinyl is a combined oral contraceptive that is available only by prescription. This eMedTV Web article explains how this form of birth control works, offers tips on when and how to take Norinyl, and lists possible side effects of this contraceptive.

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

A norovirus is a highly contagious virus that can cause what is often called "stomach flu." This page of the eMedTV Web site explains this virus in detail, including how it is transmitted, the illnesses it may cause, 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.

Norpramin

Norpramin is a prescription medicine that is used for treating depression. This eMedTV resource explains how Norpramin works, provides general dosing information, and lists side effects that can potentially occur.

Nortrel

Nortrel is a combined oral contraceptive that primarily works by stopping ovulation. This eMedTV article provides a complete overview of the drug, including information on its different forms, potential side effects, dosing tips, and more.

Nortriptyline

Nortriptyline is a prescription medicine licensed for the treatment of depression. This portion of the eMedTV library explains how nortriptyline works, describes some potential side effects, and outlines some tips for when and how to take the drug.

Norvasc

Norvasc is a calcium channel blocker that helps to lower blood pressure and treat certain types of angina. This eMedTV site further describes this prescription drug, with information on its uses, effects, potential side effects, and more.

Norvir

Norvir is often prescribed as a "booster" drug to increase the level of other HIV medicines in the blood. This eMedTV article explains how Norvir is used, describes the effects of the medication, and lists possible side effects that may occur.

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.

Novolin 70/30

Novolin 70/30 is an insulin medication approved for the treatment of diabetes in adults. This eMedTV article describes the effects of this medication, explains when and how to inject it, lists potential side effects that may occur, and more.

Novolin N

Novolin N is non-prescription insulin used for controlling blood sugar in people with diabetes. This eMedTV resource describes how Novolin N works, explains when and how to administer the drug, and lists possible side effects of the medication.

Novolin R

Novolin R is a short-acting, non-prescription insulin approved for controlling blood sugar after meals. This eMedTV resource features an overview of Novolin R, including information on how it works, possible side effects, and general precautions.

NovoLog

NovoLog is a rapid-acting insulin approved for treating type 1 and type 2 diabetes. This eMedTV resource explains how and when to use NovoLog, describes the effects of the medication, and lists potential side effects to look out for during treatment.

NovoLog Mix 50/50

NovoLog Mix 50/50 is a prescription insulin used for treating type 1 and type 2 diabetes. This eMedTV resource describes the effects of NovoLog Mix 50/50, explains how it works to control blood sugar, and offers general dosing guidelines for the drug.

NovoLog Mix 70/30

NovoLog Mix 70/30 is a medication approved to control blood sugar levels in people with diabetes. This eMedTV page describes how this medication works; lists possible side effects that can occur; and explains how, when, and where to inject the insulin.

NPH Insulin

An intermediate-acting diabetes drug, NPH insulin is used to control blood sugar in people with diabetes. This eMedTV page explains how NPH insulin works and offers more information on the drug's effects, dosing guidelines, and potential side effects.

NPH Insulin/Regular Insulin

NPH insulin/regular insulin is a non-prescription medicine used for treating diabetes. This page on the eMedTV site explains how this form of insulin works, lists some of its potential side effects, and offers information on how to inject the drug.

NSAIDs (Nonsteroidal Anti-Inflammatory Drugs)

NSAIDs are drugs used to treat a number of conditions that cause pain and inflammation. This page on the eMedTV Web site covers specific uses of NSAIDs, their possible side effects, and what to tell your healthcare provider before taking these drugs.

NuvaRing

NuvaRing is a hormonal birth control method that comes in the form of a flexible vaginal ring. This eMedTV page discusses how NuvaRing works, describes how to insert the ring, and explains what you should know before using this form of contraception.

Nuvigil

Nuvigil is a prescription drug that is used to treat excessive sleepiness due to certain sleep disorders. This eMedTV article lists these specific sleep disorders, describes the effects of Nuvigil, and explains how and when to take the medicine.

Nystatin

Nystatin is an antifungal medicine used to treat thrush, yeast diaper rash, and other fungal infections. This eMedTV article describes how the drug works, explains what forms it comes in, and lists some of its potential side effects.

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.

Object Permanence

As this eMedTV page discusses, babies who are around 8 months old achieve a developmental milestone known as object permanence. This page further describes this ability for babies to understand that even though something is hidden, it still exists.

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.