Ingrown toenails are a common foot problem that most often affects the big toe, occurring when the side or corner of the toenail grows into the surrounding soft tissue. This can cause pain, skin irritation, swelling, and sometimes infection. Early detection and treatment are key to preventing serious complications from the condition. Here, we’ll look at the causes, symptoms, treatment options, and preventive measures for ingrown toenails to help you understand and manage your foot health.