Generally, they can occur from one of the following causes: 1  Infection. 2  Environmental exposure. 3  Malignancy. 4  Occupational exposure. 5  Collagen vascular disease (an inflammatory condition of the body including the lung) 6  Drugs. 7  Idiopathic (unknown causes)
01-08-2006, 09:34 AM. Check to see if you have the tap marker (handle) turned down to far. The jam nut (lever collar) for holding the marker straight should not be touching the lever bonnet. The bonnet is the nut that holds everything to the faucet. If it is touching, this will cause your sticking Faucet.
Common causes of chronic cough include: 1  Postnasal drip â This is a sensation of mucus trickling from the back of your nose down into your throat. 2  It may be due to hay fever, allergies or irritants. 3  How postnasal drip causes a cough is still not clearly understood. 4  In some cases, this sensation may not even be noticed.