According to your sign and symptom you are suffering from gastric ulcer but as you know that best diagnosis depend on complete history of the patient so you should take consultation from a doctor and give complete history of the patient then best treatment will be start.
Next Steps
if you don't want any medicine you should follow good lifestyle like take sufficient amount of water as 4 to 5 l water and take less spicy and fatty food and do exercise regularly with yoga and meditation then improvement will be occurr but rate of improvement will be slow .
Health Tips
Take plenty of fluid.
• take less spicy and fatty food.
• take fresh fruit and green vegetables.
Take protein containing food in diet
• do exercise with yoga and meditation.
keep positive attitude to fight any disease and any problem of your life.