👉 Nettling is a term used in medicine to describe a condition where there is a buildup of fluid or pus in the lining of the urinary system. This can be caused by an infection, such as a urinary tract infection (UTI), or it can also be due to other issues, such as kidney stones or kidney infection. Nettling can lead to discomfort and pain during urination, as well as changes in the color and consistency of urine. Treatment for nettle may include antibiotics if