4 (also monitor lizard) A large tropical Old World lizard with a long neck, narrow head, forked tongue, strong claws, and a short body. Monitors were formerly believed to give warning of crocodiles.Called goanna in Australia. (also monitor lizard) A large tropical Old World lizard with a long neck, narrow head, forked tongue, strong claws, and a short body. Monitors were formerly believed to give warning of crocodiles.
The most effective way to prevent black toenails is to run in shoes that fit properly. You should have a thumbnails width room between your big toe and the front of your shoe while standing, not sitting. You should also wear moisture thin, moisture wicking socks to prevent increased heat build-up.
Home treatment may be all that is needed for a black or coated tongue. 1  Brush your tongue daily with a soft-bristled toothbrush and toothpaste or a solution of 1 part hydrogen peroxide to 2 parts water. 2  Scrape the tongue with an upside-down teaspoon to remove the furry coating on the tongue. 3  Do not use tobacco products.