Eating crayfish stomach pain may be caused by the induction of acute gastroenteritis, indigestion, gastric ulcer and so on. Can be prescribed oral anti-inflammatory drugs, promote gastrointestinal dynamics drugs, antacids and other drugs for treatment. 1. Acute gastroenteritis: when the patient ate crayfish stomach pain may be induced by acute gastroenteritis, you can follow the doctor’s instructions through oral anti-inflammatory drugs for relief, such as cefadroxil tablets or amoxicillin capsules. 2. indigestion: patients eating crayfish lead to indigestion stomach pain, usually accompanied by constipation. Patients can follow the doctor’s instructions to take drugs to promote gastrointestinal dynamics, such as itopride hydrochloride, mosapride retardation and other drugs for relief. 3. gastric ulcer: when the patient has a history of gastric ulcer and consume crayfish, may lead to excessive gastric acid, stimulation to the ulcer point resulting in stomach pain, you can follow the medical advice to take antacid drugs, such as lansoprazole tablets, famotidine and other drugs for treatment. When patients use crayfish stomach pain, should promptly go to the hospital, and under the guidance of the doctor to take medication for treatment.