A chronic cough, which typically persists for eight weeks or more in adults, often has multiple causes, such as tobacco use, postnasal drip, asthma and gastroesophageal reflux disease or GERD, according to Mayo Clinic. O... More »

Causes of a persistent cough include asthma, postnasal drip, chronic bronchitis or gastroesophageal reflux disease, according to Mayo Clinic. Upper respiratory tract infections and angiotensin-converting enzyme inhibitor... More »

www.reference.com Health Conditions & Diseases Cold & Flu

A persistent cough is a possible sign of lung cancer, according to the American Cancer Society. Hoarseness can signal cancer of the thyroid or larynx. However, a persistent cough is not a definitive sign of cancer; the s... More »

www.reference.com Health Pain & Symptoms

Typical causes of a constant cough include asthma, gastroesophageal reflux disease, postnasal drip, and infections such as pneumonia or bronchitis. Doctors do not consider this cough as a disease by itself, but a symptom... More »

Two of the most common causes of a wheezing cough that produces no mucus are asthma and gastroesophageal reflux disease, or GERD. The symptoms of asthma are caused by constricted and inflamed airways, while the coughing ... More »

www.reference.com Health Pain & Symptoms

Common causes of constant coughing and excess phlegm include postnasal drip, asthma and gastroesophageal reflux disease, according to Mayo Clinic. More serious causes include viral and bacterial infections, chronic bronc... More »

Typical causes of a chronic cough include asthma, postnasal drip, gastroesophageal reflux disease, and infections such as pneumonia and bronchitis, notes the Mayo Clinic. Inhaling foreign objects can also cause this cond... More »

www.reference.com Health Pain & Symptoms