Hello,
Noting your age, occupation, amd mentioned complains of upper left abdominal pain, with issues of flatulence, a possibility includes of gastritis/ dyspepsia, or in common terms acidity, but these mentioned symptoms alone are not enough for a confirm diagnosis, the duration of the pain, any factors which trigger or increase the pain, constipation or diarrhea, recent weight gain, bloating your dietary habits, any history of alcohol consumption or smoking and several other medical histories are required to noted.
As complaints of pain in upper abdomen can also be due to involved heart with your mentioned complaints.
Advising and consuming medication directly with these memtioned complaints is not appropriate.
Next Steps
Kindly consultant a physician who would note all the required history and advise of next step of any tests required and prescribe medications.
Health Tips
For the time being look and note any other symptoms.
-Avoid consuming heavy or spicy foods, opt for light meals, or frequent meals which are less in quantity and light as of 6 times a day with a 2 to 3 hour gap.
-Consume meals at regular timings, not skipping them, after consuming a meal avoid lying down immediately or within 30 t0 45 mins.
-Avoid smoking or alcohol consumption if you are involved in it.
-Limit or even try to stop consumption of caffeine in form of coffe or tea, consume adequate water.
-Do approach a healthy life style with adequate exercise even in form of walking for 30 to 45 mins for atleast 5 times a week.