Ingrown nails occur when the edge of a nail grows into the surrounding skin, often causing pain, redness, and swelling. This condition commonly affects the toenails, particularly the big toe, and can result from improper nail trimming, tight footwear, or injury. If left untreated, ingrown nails can lead to infections, which may require medical intervention. Treatment options include soaking the affected area, wearing comfortable shoes, and in some cases, surgical removal of the ingrown portion of the nail. Maintaining proper nail care can help prevent this condition from recurring.