One of the main causes of sinus drainage is simply being alive. Every day the human body produces several liters of sinus fluid and mucus, and all of that natural liquid must go somewhere.
It is a area of tenderness of the scalp in which people also sometimes feel stabbing headaches. Others just feel very sore and tender to the touch. It is felt to be caused by irritation of the connective tissue which attaches the muscles of the scalp to the skull (cranium).
Ever had a sensation of âsoreâ hair or unexplained burning scalp, tingling or itching to your scalp? Some people who have experienced scalp pain also have hair loss. This has lead to the concept that the two are related. What is not clear is whether a physical mechanism creates the pain or if the pain is related to an anxiety and fear of hair loss?