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.
Do not cut the nail. A common misconception about having an infected ingrown toenail is that it needs to be cut. Contrary to popular belief, cutting the nail can make the infection worse. It can also cause more ingrown toenails in the future. Leave the nail uncut, and prop it up to relieve pressure.