Gastric problem. Stand or sit or sleep.

Consult a nearby homoeopathic physician once. Proper medication can be suggested only after knowing other details of your problem. If you are having irregular diet,  have meals at regular timings.  Irregular diet habits causes acidity. Limit your intake of fatty oily and spicy foods.  Excess starchy and oily food are difficult to digest. Drink adequate water,  eat plenty of fruits, they help in keeping your bowel movement regular.  if you have a habit of taking alcohol or tobacco try to avoid it. If possible try to have enough sleep and do some meditation in case you are having any stress. Stress and lack of sleep can also cause gastric disturbances. Your problem can be efficiently dealed with homoeopathy.  Try consulting a homoeopathic physician once.