Adults who accidentally eat a mouse poop may not be harmed, or it may cause gastrointestinal infections and other hazards, but whether or not it will be harmful needs to be determined on an individual basis. Adults who accidentally eat a mouse poop may not appear disease, or may appear disease. Each person’s physical condition is different, and the harmful substances contained in the rat droppings are different, so the harm that occurs is not the same. Some people may develop gastrointestinal infections, fever, fatigue, headache, as well as nausea and vomiting after eating rat droppings. If there are no obvious symptoms after eating mouse droppings, generally do not need treatment, you can drink more water, eat more vegetables and fruits to promote excretion. If there is obvious discomfort need to actively seek medical examination and treatment.