Could it due to food, like oily food. Or is it after eating, is it after 30min or 2hours, can you tell us her about personality, does she like hot or cold foods, drinks. or any Sensation of coldness, or heat and burning sensation in stomach . She drinks water well?-does drinking water helps the pain. At this point, I am thinking of Puls, Phos.

Phosphorus: pain in the stomach that feels better from eating ice cream or other cold, refreshing foods , The person is usually thirsty for cold drinks.