That constant feeling of mucus dripping down the back of your throat is more than just annoying—it’s post-nasal drip, and it’s one of the most common causes of chronic throat irritation and coughing. Your body produces about a quart of mucus every day. Normally you swallow it without noticing. When something goes wrong with this … Continue reading Post-Nasal Drip – How It Causes Constant Throat Irritation