Welcome to HCM.
It is because of post illness disturbance in digestion pattern.
Take light and liquid diet
.Avoid spicy and oily food.Drink enough water and other liquids like buttermilk,fruit juices.
You can take oral pentoprazole or rebeprazole with donperidone to subside bloating
Enzyme preparation will be helpful to improve your digestion.
Keep in touch with your doctor.