Chickenpox is an acute respiratory infectious disease caused by varicella-zoster virus infection, which is self-limiting and usually takes about 10 days to completely cure. Chickenpox-zoster virus invades the human body through the upper respiratory tract, and its onset has a certain pattern, mainly fever in the early stage, 1-2 days later the rash begins to appear on the trunk, and gradually spreads in batches to the head, face, neck, or other parts of the body. Chickenpox is contagious from 2 days before the onset until it is completely crusted over and falls off, so be sure to take the necessary isolation measures during this period. The actual fact is that you will be able to get a lot more than just a couple of days to get a lot more than just a couple of days. If the itching is more serious, you can use topical application of stove glycol lotion to stop itching.