Q Why do I have brown marks on my toenails?
Several things can discolour toenails, but the most common reason is fungal infections of the nail or nail beds, which isn’t serious, but can be very slow to treat. It sometimes starts at the nail edge, spreading to the middle, making it discoloured, thicker and brittle, with pieces breaking off or the whole nail lifting off. This can cause pain and swelling in the surrounding skin. Your pharmacist can recommend antifungal nail cream or lacquer, which will
