I think you should go for homoeopathic treatment because in homeopathy there is a very good medicine for all kind digestive conditions. Try yo drink lots of water, eat fresh cook meals at home not from outside.
What is her age? 1. Take home cooked, fresh light food. Take a lot of green vegetables n fruit. 2. Increasing the fibre in your diet 3. Increasing your fluid intake 4. Avoid fast foods, spicy n fried foods5. Maintain active life style6. Curd is good for u.7. Avoid straininghomeopathy has very encouraging results. Consult online with details.
IT COULD BE DUE TO INFECTION OF GIT..
Drink plenty of water
avoid spicy fatty oily food
take more curd butter milk and pomegranate in diet
take small frequent meal
Take antibiotics, probiotics, antispasmodic and ORS.
One of the reason of your pain could be stomach infection or any kind of stone possibilities are also there. Alcohol has a huge negative impact in our daily life and creates various ailments.
Since it is abnormal and persistent for more than a normal time so let's have a detailed discussion over a call.