Understand the potential side effects of the tuberculosis skin test, also known as the Mantoux test. Learn how it's done, what it means, and why it's important for diagnosing tuberculosis.

NyQuil can be used to treat the symptoms of a cold or the flu. Several varieties of the over-the-counter medication are available, each containing different combinations of medicines. A variety of symptoms may occur with a NyQuil overdose, depending on which type was taken and the amount.

The atherosclerotic disease of the abdominal aorta is commonly known as abdominal aortic aneurysm (AAA). Medline Plus states that most abdominal aortic aneurysms are caused by atherosclerosis, a fatty deposit of the inner lining of the arteries.

Typhoid is a dangerous disease caused by the bacterium Salmonella typhi. According to the National Institutes of Health, typhoid cases are rare in the United States: only about 400 cases occur each year, and 75 percent of these are acquired during travel to countries where typhoid is common.

Approximately 1.5 million people in the United States were diagnosed with cancer in 2009, report health officials at the American Cancer Society.

Bright’s disease is an historical classification of kidney diseases that today includes acute and chronic nephritis (sometimes also known as nephritic syndrome or glomerulonephritis). Nephritis is caused by an inflammation of the internal structures of the kidney.

A dry, hacking cough is a symptom associated with several different illnesses and allergies. Treating the underlying cause can help relieve the dry, hacking cough over time but when the illness is viral, medicines can't kill the infection.

Amoxicillin is an antibiotic in the penicillin class of antibiotics that has a somewhat broader spectrum of effectiveness, meaning that it is effective against more kinds of bacteria.

Lyme disease is caused by the bacterium Borrelia burgdorferi, which is spread to humans by tick bites. In the days or weeks after a tick bite, early Lyme disease typically causes a rash and flu-like symptoms.

A cool mist humidifier increases the humidity in a room. A humidifier is a useful device to help relieve congestion from allergies, colds and other respiratory ailments. It can also help to alleviate itchy eyes, dry skin and cracked lips caused by low humidity, especially in the dry, winter months.

Influenza, or flu, is a viral infection that attacks the respiratory system, the Mayo Clinic says. The flu presents with a variety of symptoms including a high fever, nasal congestion and muscular aches. Earaches are not commonly associated with flu symptoms unless complications of the virus occur.

Shingles, also known as herpes zoster, results when the virus that causes chicken pox reawakens within the roots of sensory or cranial nerves. The primary symptoms of shingles, according to the 2008 edition of “Fitzpatrick’s Dermatology in General Medicine," are pain and a unique, one-sided, blistering rash.