Ingrown toenails develop when your nails grow into the skin or in the corners. Pain, redness, inflammation and even infection could be the outcome. The ingrown typically hurts your large toe. Ingrown nails can be treated at home. But there are instances that require medical care for it. If you have diabetes or any other diseases it can cause poor circulation. Your doctor can treat steps to reduce your discomfort and to avoid serious problems in the future if your pain is worsening.