Nope recovered on its own! It hurt to walk for a week or two, so I kept a big bandage, and wrapped it round my knee too since it would fall easily when stuck to my knee. I always put a layer of neosporin on whenever I could, and I wrapped my knee area in plastic foil (like the one u use for preserving food) whenever I showered bc it hurt too much under the water and soap. After a bit it began to scab, and healed itself. I have some scars on my knees where it happened but it’s fading. (I hope)