Can boil send hard not give pus to you

Furuncle is an infectious skin disease caused by bacterial infection of hair follicles and surrounding tissues. The development of furuncle generally has a process. At first, it is a follicular inflammatory papule. The base has a feeling of infiltration. It feels hard, and then the inflammation gradually expands to the surrounding area. At this time, there is redness and heat pain. Generally, after a few days, the center will soften and slowly show pus. Gradually, the inflammation will heal. If this inflammation is relatively light, then it can also not go through the pus head, and then gradually subside.