A postnasal drip is something most everyone has had but that not many can recognize by the name. Every day, people swallow small amounts of mucus. This mucus usually comes from the sinuses, mixes with salvia, and causes people no problems. However, sometimes the body makes too much mucus, which makes it harder to swallow. Sometimes the mucus comes out the nose (making a runny nose), while other times it runs down the back of your throat (postnasal drip).
An ingrown hair can create a raised, red swelling that looks like a little lump. In some cases, the lump could have a discharge within it that becomes evident when ruptured. The area affected may have the following: