That sticky feeling in the back of your throat can be maddening. You clear your throat once, then again, then a few minutes later you do it without even thinking. Sometimes it feels like mucus is sitting there. Other times the throat just feels coated, tight, or irritated. Constant throat clearing is usually not the main problem. It is often a sign that something is irritating the throat or voice box. The most common causes are postnasal drip, reflux, and airway irritation or