Keep in mind that cartilage piercings are slow to heal; it may take anywhere from four to twelve months for them to heal fully. During this time, some bleeding, irritation and even pus can be expected. Help your piercing heal by rinsing with saline solution as directed, and try to avoid sleeping on the side of the piercing, especially the first few weeks. The only causes for concern would be fevers, chills, nausea, or other symptoms outside those typical of healing.