If you are concerned best to contact us often selfcare causes further nail irritation and infection. Ingrown toenails occur when the nail penetrates the skin at the side of the nail plate (sulcus). This causes a wound that can become infected. In some instances, this results in extra tissue forming (hyper granulation tissue) which increases pressure at the nail and can bleed easily. The reasons for this problem can range from poor nail cutting or picking nails to pressure from tight/loose shoes or hosiery. Aggravating factors include Obesity and Occupational footwear e,g, steel-capped boots.