When adults have roundworms in their stomachs, they can show the following symptoms: First, abdominal pain and vomiting, patients will have irregular and severe pain and vomiting, and sometimes they may vomit out the roundworms directly. Second, diarrhea and loss of appetite, or a good appetite but there are obvious symptoms of weight loss. Third, grinding teeth in sleep and waking up easily. White spots on the nails. V. Itchy anus or roundworms found in the stool. Malnutrition, anemia, thinness and other symptoms. Grumpy and irritable. In addition to the above symptoms, sometimes the situation is serious and may lead to complications, such as itchy skin, fever, appendicitis, biliary tract infection, cough and other symptoms. Patients are advised to go to the hospital for routine stool examination and deworming treatment if the above symptoms occur.