I'm sorry to hear that. Medical treatment seems sufficient.
You can try probiotics like kimchi, kefir, kombucha, yogurt, etc. Avoid sugary, spicy, dairy, gluten-containing products. Drink green tea with manuka honey, avoid trigger foods, alcohol, smoking. Manage stress in a better way. Walk regularly. This will help you feel better in the long run.
For further consultation, you can choose from our list of best Gastroenterologists in karachi and seek in-person advice.