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).
Scalp pain is a common symptom of head injury, headaches, and skin conditions. It may result from trauma to the head region, including the brain, skull or scalp. It can occur in conditions that cause headaches or skin irritation, or in more generalized conditions, such as cancer.Trauma to the head is a common cause of scalp pain.It includes brain injury, skull fracture, or concussion, all of which may occur immediately after the traumatic episode or up to several hours or days afterward.ther conditions can result in pain, infection or irritation to the scalp, such as contact dermatitis, lesions from head lice, and basal cell carcinoma or other skin cancers. Scalp pain can indicate a serious condition.