An infection of nail fungus occurs when fungi infect one or more of your nails. A nail fungal infection may begin as a white or yellow spot under the tip of your fingernail or toenail.
Nappy rash is very common – most babies will get it at some point. It's not usually a 'disease', but just an irritation of the skin.
Narcolepsy is a chronic sleep disorder characterized by overwhelming daytime drowsiness and sudden attacks of sleep. People with narcolepsy often find it difficult to stay awake for long periods of time, regardless of the circumstances.
Nasal polyps are teardrop-shaped, noncancerous growths on the lining of your nasal passages or sinuses.
Nausea and vomiting are common symptoms that can be caused by numerous conditions. Nausea and vomiting most often are due to viral gastroenteritis — often mistakenly termed "stomach flu" — or the morning sickness of early pregnancy.
In this article I deal with what Neck Pain is, what causes Neck Pain, what are the latest treatments for Neck Pain and what are the long term management strategies available for Neck Pain.
Nickel allergy is one of the most common causes of allergic contact dermatitis — an itchy rash that appears when your skin touches a normally harmless substance.
Nicotine dependence is an addiction to tobacco products caused by the drug nicotine. Smoke from cigarettes, cigars and pipes contains thousands of chemicals, including nicotine. Smokeless tobacco also contains nicotine.
Night terrors are episodes of fear, flailing and screaming while asleep. Night terrors often are paired with sleepwalking.
Nightmares are disturbing dreams associated with anxiety, fear or terror. Nightmares are common. They begin in childhood and tend to decrease after about age 10. However, some people have them as teens or adults, or throughout their lives.
Do you have a runny or stuffy nose that won't get better, or do these symptoms come back repeatedly? If so, you may have nonallergic rhinitis. If you do have rhinitis, the lining of your nose swells due to expanding blood vessels.