Red dots on the coronal sulcus often indicate the presence of inflammation of the glans, which requires certain tests, such as a mycobacterial test to see if there is a Candida albicans infection. If there are more red dots and if they are accompanied by itching and pain, the diagnosis of inflammation of the glans can basically be confirmed. If there are only red spots in the coronal sulcus, not accompanied by other discomfort, may indicate that the recent diet is more greasy, more spicy stimulation, which is commonly known as fire, can not be treated, observation can be generally about two weeks to heal on their own.