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).
8 comments. 1  Thanks a lot for this article, I will make sure of taking the remedies. Reply. 2  Hi Guys. If anyone is suffering from itchy scalp pimples and a sore/tender scalp that bleeds, listen up!! 3  Thank you for the article, an itchy scalp is quite maddening. and I got the cure, thank you. 4  I hope! Itâs work.