Hi.
About the medicine, you should ask a Gastroenterologist, they'll be able to help you more.
And, the dietary tips : you should include curd and go for a soft diet, instead of having chapatis. Take washed pulses more and avoid whole pulses like; Rajma, Choley, Chana Dal, Urad Dal, etc.
Foods to be avoided :
Milk.
Fatty, Oily and Junk food.
Processed food.
High glycemic index food.
Highly flavoured vegetables : Garlic, Capsicum, etc.
Foods Recommended:
Washed Pulses; Moong, Masoor and Arhar Dal.
Plenty of water.
Curd, Buttermilk.
Coconut Water.
Next Steps
For further consultations, contact me through practo.
Health Tips
Regular walking.
Drink plenty of water.