Koilonychia
Its a condition in which shape of your nails are affected. They become flat and start to look like spoons possibly because of nutritional deficiency or autoimmune disease. The most common cause is iron deficiency anemia that may result if there's low consumption of iron, folate, Vitamin C or protein. It might also present in patients with Plummer-Vinson syndrome. Autoimmune diseases like Systemic Lupus Erythematosis SLE, psoriasis and Lichun Planus may have same presentation. Treatment depends on the cause of koilonychia which is determined after a few blood tests. In some cases, iron deficiency resolves with dietary changes. A person may need to eat more food that contains iron, or they may need iron supplements. Adult males: 8 milligrams (mg) Adult females: 18 mg