What causes thick toenails? Getting rid of thick toenails involves determining the cause, whether it’s fungal infection or psoriasis. Learn about symptoms and treatment. You probably don't think much about your toenails. But they may get your attention if the nails start to thicken. Thick toenails usually are painless. If they get too long, however, they can become uncomfortable. Read on to learn more about thickened toenails and how to properly trim them. When nails become thick and yellow, they are unsightly and can be difficult to manage. Know the exact causes of thickened nails and how to treat them here! Luckily, many causes of thick toenails can be treated. With help from board-certified podiatrist Miguel Cunha, DPM, we’ve put together this simple guide to treating and caring for your thickened toenails. Soak your feet for 10 minutes in warm water then dry thoroughly. The good news: once you identify the underlying cause, most thick toenails can be treated at home or with a doctor's help. Below, you'll find every reason your toenail might be growing thick, how to tell the difference between causes, and exactly what to do about each one. Thick toenails can be trimmed, treated, and often fully resolved, but the right approach depends on what’s causing them. Fungal infections account for the majority of cases, though psoriasis, repeated trauma, and aging can also thicken nails over time. Learn why toenails get thick with age, trauma, or pressure, and how to safely thin, clean, and trim thick nails at home using gentle non-medical care. We’ll also look at what you can do to treat and prevent thickened toenails that aren’t caused by fungus. Knowing what’s causing the problem is the first step toward finding a solution, so let’s dive in and take a closer look at the possible causes of a thickened toenail that’s not fungus. How do I get rid of thick toenails? Keeping your toenails clean and moisturized can help. Home remedies like Vicks VapoRub and creams made with urea or tea tree oil may help. Thick toenails can be hereditary or caused by age, fungal infections, or autoimmune disorders. Medicated anti-fungal creams, laser therapy, and complementary methods like tea tree oil may help.