👉 Parapleuritis is a condition characterized by chronic, progressive inflammation of the parotid gland. This gland plays a significant role in regulating saliva production and maintaining oral hygiene. When this gland becomes inflamed or damaged, it can cause pain, swelling, and difficulty swallowing. It's important to note that parapleuritis should be treated as soon as possible, as it may lead to more serious complications such as abscess formation, which can spread to other glands in the body. In some