good morning, one day my knee felt very cold, night came and I went to sleep, the next day I woke up with a swollen and red knee, it hurt a little and I got ready to go to work, when I came back from work I felt discomfort, I worked the weekend with a little pain when walking, the next day I went to the doctor and they did an Analysis and they gave me the news that I had a very serious infection in the knee that had been walking on my entire leg, lasted a month in the hospital and right now I am in recovery thanks for your attention and may God bless you