Post-nasal drip occurs when excess mucus accumulates in the back of the throat or nose, primarily due to allergies, infections, or irritants. Symptoms include throat clearing and coughing. Treatments range from saline rinses and dietary adjustments to over-the-counter medications and, in severe cases, surgical intervention. Post-nasal drip occurs when excess mucus accumulates in the back of the throat or nose, primarily due to allergies, infections, or irritants. Symptoms include throat clearing and coughing. Treatments range from saline rinses and dietary adjustments to over-the-counter medications and, in severe cases, surgical intervention. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle