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

Patients with persistent dry cough should seek a doctor for evaluation, according to MedicineNet. Persistent or chronic dry cough is often a sign of a viral infection, a sinus problem or stress. Multiple underlying malad... More »

Viral illnesses, asthma, allergies, bronchospasm and exposure to respiratory irritants are among the main causes of dry cough, according to WebMD. Dry cough is defined as a cough that does not bring up any mucus. Someone... More »

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 »

Some remedies for chronic bronchitis include antibiotics, cough medicine and medications, such as an inhaler for asthma or chronic obstructive pulmonary disease, as stated by Mayo Clinic. Patients with chronic bronchitis... More »

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

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

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 »