Hello Good Evening, According to your symptoms you might be suffered from Gastric or duodenal ulcers which cause pain/burning sensation and nausea and even vomiting. After having spicy food your symptoms rise, because there is physiological more release of acid for the digestion of food. For the confirmation of your diagnosis you should go through UGI Endoscopy. After that you should be prescribed PPI, Domperidone, Antacids and Sucralfate as per guidance of your GP. Following steps should follows to lessen your symptoms: -Walk after eating a meal. -Exercise -Avoid coffee and chocolates. -Avoid Meals that are high in fat. -Avoid extremely hot or cold food. -Avoid alcohol and smoking Regards, Dr. Naresh Jain.