According to your sign and symptom you are suffering from indigestion , gastric issue with acidity.
Reason of acidity and gas- Water intake low.
Fatty and Fry food intake more,
Due to some inflammation on the gastrointestinal tract area and
Constipation.
Reason of Diarrhoea-malabsorption food due to some inflammation around the large intestinal tract or
Constipation.
You should do some test like CBC ESR
CRPLFTLipid Profile and H.Pylori test and
Endoscopy .
Next Steps
You should take Treatment as follow as..
1-Cap Pantop DSR 1 time per day for 3 days before food.
2- Tab Metronidazole 400 mg 2 time per day for 3 days after food.
3- Cap Vizylac 2 time per day for 3 days after food.
4- Cap Aristozyme 2 time per day for 3 days after food.
5- Multivitamin A to Z gold 2 time per day for 3 days after food for strength and immunity.