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.
Healing Ingrown Toenail. I know that an injury towards the cuticle of the nail area takes about 9 months to grow all the way out on your big toe. As far as an ingrown nail, it has to be treated or partially removed before the healing starts. You will feel much better within a day or two, but still takes longer to heal correctly. Warm soaks in saltwater will help ease the pain and heal it faster. Tea Tree Oil is helpful too. It will act as a soothing antiseptic and keeps fungus under control.