Red dots on the buttocks are very common in daily life, and the causes of red dots on the buttocks are mainly the following: 1. Folliculitis, mainly caused by Staphylococcus aureus infection to the skin surface, will appear red papules, scattered distribution, serious will be accompanied by oozing night or itching, erythromycin ointment or mupirocin ointment to apply. 2. Eczema, the buttocks is a special part of the body. The actual fact is that you can get a lot more than just a few of these.