Nausea and vomiting after eating chocolate may be caused by acute gastroenteritis and indigestion, and may also be caused by chocolate allergy, but such cases are less common. It is recommended to go to the hospital for examination to clarify the cause before treatment. Common causes and treatment 1, acute gastroenteritis: chocolate is not hygienic, contaminated by bacteria, viruses, intake of chocolate can lead to nausea, vomiting and other symptoms of acute gastroenteritis. You need to take the vomit or remnants of chocolate to do pathogenic bacteria testing to clarify the type of bacteria, the doctor will combine the results of drug sensitivity for appropriate antibacterial treatment, commonly used norfloxacin, ciprofloxacin and other drugs. Meanwhile, acute gastroenteritis is usually cured in a short time after rehydration, diet control and adequate rest; 2. Indigestion: after eating a large amount of chocolate, as chocolate is rich in sugar, it is not easily digested by the stomach, thus increasing the burden on the stomach, causing indigestion and symptoms of nausea and vomiting. If the symptoms are more serious, you can use pro-gastric power drugs, such as domperidone tablets, under the guidance of a doctor; 3, allergies: If the patient is allergic to chocolate, it can also cause nausea and vomiting after eating chocolate, but it is less common. It is recommended that patients go to the hospital to check allergens to avoid the risk of allergy. Caution chocolate is a high-calorie food, it is recommended to eat in moderation. If you have a history of gastrointestinal diseases, follow your doctor’s instructions to regulate your diet and do not eat greasy, stimulating or cold foods.