The redness of lichen planus indicates that it is in the acute progressive stage, when the rash increases rapidly and is often accompanied by a new rash, especially after trauma or abrasion, along the wounded area. If you are scratching excessively, it can also lead to secondary bacterial infection of the warts. In addition to redness, there can also be redness and swelling around the area, and pressure pain. The actual fact is that you will be able to get a lot more than just a few of the most popular and most popular products. After the rash becomes red and disappears, apply recombinant human interferon alpha 2b ointment for anti-human papilloma virus infection treatment.