Took the stomach medicine stool black may be caused by the stomach medicine contains bismuth, iron, may also be the recent consumption of pig’s blood and other food or gastrointestinal bleeding caused by the need for patients to promptly seek medical advice to identify the cause, and then according to the cause of treatment. Common causes and treatment: 1, drug impact: If the stomach medicine taken contains gum secret, iron, such as bismuth citrate, ferrous sulfate and other drugs, during the period of taking bismuth citrate potassium, the mouth may have an ammonia taste, and tongue, stool can be dyed black, generally after stopping the drug symptoms can gradually disappear, without special treatment; 2, food impact: when taking stomach medicine at the same time consumed some black food, Blood products or animal offal, such as mulberry, pig’s blood, duck liver, etc., can lead to the appearance of black stool, which is a normal phenomenon, when no longer consume the above-mentioned food, the black stool will gradually disappear; 3, gastrointestinal bleeding: if the stool continues to be black, and accompanied by abdominal pain, bloating, dizziness, weakness, palpitations and other uncomfortable symptoms, you need to be alert to whether there is a gastrointestinal bleeding, you need to go to the hospital to improve the gastroscopy, Once the diagnosis of gastrointestinal bleeding is confirmed, bed rest and fasting should be performed, and endoscopic treatment or interventional treatment can be chosen. Note: Patients with gastroparesis should pay attention to dietary hygiene, eat easy-to-digest foods such as rice soup and noodle soup, and take less drugs that are irritating to the stomach. In addition, fresh vegetables and fruits help the organism to replenish vitamins, and hard, irritating foods such as chili peppers and nuts should be avoided. Exercise properly, combine work and rest, and keep a happy spirit.