Intrinsic renal causes are also important sources of acute kidney injury and can be categorized by the component of the kidney that is primarily affected (i.e., tubular, glomerular, interstitial, or vascular). Acute tubular necrosis is the most common type of intrinsic acute kidney injury in hospitalized patients.
1 Soak your sore toe in warm water for 15 minutes 2 to 3 times each day. 2  Wedge a small piece of wet cotton, such as part of a cotton ball, under the corner of your ingrown nail. 3  This will help lift the nail off of the skin. 4  Soak your toe and change the piece of cotton each day until the nail grows out and can be trimmed.
An ingrown toenail may occur when extra pressure is placed on your toe. This pressure is caused by shoes that are too tight or too loose. If you walk often or participate in athletics, a shoe that is even a little tight can cause this problem. Deformities of the foot or toes can also place extra pressure on the toe.