I am having upper stomach pains; they feel like gas and a burning feeling. What might this be?
Since you found this board you must be assuming your symptoms might be due to reflux. They are consistent with the symptoms you can read about here:
Healthcentral also has an interactive symptom checker you can find at:
With all that said, once you read up on it, it's always good to have new symptoms thouroughly checked by a doctor before treating yourself with over the counter medications. Some other things (such as heart issues) can mimic heartburn and you wouldn't want to treat for heartburn and have it be something even more serious.
Heart Attack Symptoms and Warning Signs
7 Symptoms of Acid Reflux
Understanding Acid Reflux: A Doctor Q&A