Symptoms of poisoning from drinking expired milk include digestive manifestations, such as nausea, vomiting, acid reflux, heartburn, abdominal pain, diarrhea, especially colic around the navel, and dilute watery stools, mucopurulent stools, and other symptoms. Patients may also have allergic-like symptoms, such as redness of the skin accompanied by blotchy rash and allergic urticaria. In addition, the skin may become significantly itchy and even fuse into a wind cluster, with exudate on the surface of the skin, etc. In severe cases, patients may experience chest tightness, shortness of breath, palpitations, precordial discomfort with transient dizziness and headache. These are all symptoms of drinking expired milk, but they can be detoxified through gastric lavage, diuresis and diuresis.