Some of the red nose and itchy nose are rosacea. If rosacea is a serious attack, you should use antibacterial agents and also pay attention to local cleanliness; if the red itch is caused by insect bites, you can also have some help by using medicine; if the red fever is caused by inflammation, you should use antibacterial agents to keep the inflammation down, this red fever is only a symptom, caused by disease, insect bites and inflammation are mostly the main cause, and by treating the disease, you can relieve and eliminate the red fever. But rosacea is more difficult to treat, and should be treated by paying attention to diet. If rosacea already has a superfluous organism, it can be removed by surgical treatment and then stitched up.