Is it true that there is no cure for functional dyspepsia?

Hi doctor,

I am a 20 year old male, I have a constant and mild abdominal pain whole day, especially in the morning. I feel heavy all day long, but still, have an urge to eat. I fart and belch more than usual and have a foul smell. I have a sense of indigestion in my stomach all day long. I defecate less than I used to. The stools are not watery or lose but are thin and weak as compared to when my stomach was healthy. I do not have any vomiting or lose motion. I do not have any loss of appetite or weight loss. I have been having these symptoms since last two months.Currently, I am taking tablet Rebel D in the morning on an empty stomach, tablet Colofac before every meal, tablet Gastro-soothe after every meal. I have been having these medicines since one week, but I have not noticed much change. I do not have any allergies. I have done blood tests, ultrasound, and stool test, all of them were normal. The doctor said I have functional dyspepsia. My state has not improved much in the last two months, what am I doing wrong? What should I do now?

I have read other patients testimonies on some websites, and they have written that they are suffering from this disease from the last two years, and it is something that they have to live with for their entire lives. Is this such a serious illness? Do I have to live with it for my whole life? Is it impossible to cure it? Can no medication or surgery cure it? I want to feel normal again, the way I used to before. I used to eat junk food occasionally, and my stomach was able to digest it, but now it seems frail. Kindly help me and if possible give me as much detail as possible. Thank you.