Dry coughs that continue after other cold symptoms clear or that
occur without other symptoms may be caused by a variety of health
Some people start coughing when they breathe very dry, heated air.
This can be caused by environmental irritation or allergies. This type of cough
may be more noticeable when you first turn on your furnace in the fall, because
dust and other irritants that have collected over the summer are blown into the
The H1N1 flu was a surprise right from the start: a soon-to-be pandemic flu virus that was first identified in kids in the United States. But that's not the only unusual fact about H1N1 flu. Here are eight more surprising developments:
1 Name that flu virus
In April 2009, CDC researchers met to name the newly identified flu virus. The virus came to humans via swine, so the first idea was to call it swine influenza virus. But SIV already stands for simian immunodeficiency virus. Some CDC wags...
Chronic dry coughs are usually caused by irritation from cigarette
smoke, environmental irritants, allergies, postnasal drip, or asthma. Several
chronic lung diseases also cause a dry, hacking cough. Some people cough out of
habit for no clear reason.
Gastric reflux may also cause a chronic dry cough.
Usually you will also have other symptoms, such as heartburn, burning in the
throat, or increased saliva.
effects from some heart and blood pressure medicines.
illnesses that may occur frequently, such as the common cold.
A doctor can evaluate your symptoms and recommend
In this article
This information is produced and provided by the National
Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National
Institute via the Internet web site at http://
.gov or call 1-800-4-CANCER.
WebMD Medical Reference from Healthwise
July 10, 2012
This information is not intended to replace the advice of a doctor.
Healthwise disclaims any liability for the decisions you make based on this