Having worms in children, also known as parasitic diseases, is one of the most common diseases in childhood. Parasitic diseases are harmful to children’s health, ranging from indigestion and malnutrition in mild cases to growth disorders and even disabilities and fatalities in severe cases. So what are the signs of worms in children? The symptoms are not exactly the same due to the different types of parasites that are infected. If several of the following manifestations occur, you need to pay attention to them: a. Grinding teeth when sleeping The toxins produced by roundworms stimulate the intestinal tract, which will speed up intestinal peristalsis and cause indigestion, pain around the umbilicus and restless sleep; if the toxins stimulate the nerves and cause nerve excitement, it will lead to grinding teeth. Similarly, pinworms secrete toxins and cause anal itching, which affects the child’s sleep and makes the sound of grinding teeth. Second, anemia The child will have pale skin, feel weak and dizzy. Third, the appetite becomes larger, the number of meals becomes more frequent, easy to be hungry, but weight loss, later the child’s appetite decreases, bloating discomfort, malnutrition, etc. In serious cases, blood in the stool will appear. Fourth, the child develops symptoms of respiratory and lung infections, such as coughing and coughing up sputum with blood or even hemoptysis, shortness of breath, asthma, etc. In order to prevent parasites, parents should cultivate good hygiene habits and pay attention to dietary hygiene in their children. If they have already been infected with parasites, they need to take medication in time to treat them.