Roundworms, also known as nematodes, are a type of parasitic worm that can be found in soil or infecting animals and humans. There are many different types of roundworms, each with varying degrees of harm they can cause to their host. Some common synonyms for roundworms include Ascaris, hookworm, whipworm, and pinworm. These parasites can cause a variety of health problems, including digestive issues, anemia, and even blindness in severe cases. Treatment for roundworms typically involves medication to kill the parasites and managing any symptoms or complications that arise from the infection. When dealing with roundworms, it's important to practice good hygiene and take preventative measures such as wearing shoes outdoors to avoid infection.