Thanks for posting your query.
With the available described symptoms, there appears to be possibility of dyspepsia
along with decreased gastrointestinal motility.
suggests the diagnosis.
Carbonated drinks also keep bloating of stomach.
You have to stop all these carbonated drinks for getting relief.
You should consult with internal medicine specialist/ gastroenterologist and should go for thorough check up.
You should also go for ultrasound
imaging, endoscopy and serum amylase and lipase, thyroid profile, blood sugar level, and serum calcium.
You should also go for urea breathe test for H. Pylori.
If Urea breathe test is found to be positive then you have to take complete eradication therapy for H. Pylori bacteria.
Meanwhile, you should take proton pump
inhibitors along with prokinetics for relief of your symptoms.
Dr. Mayank Bhargava