Hi
Thanks for writing to the forum!
It’s difficult to comment without examining. There are a few possibilities. One is gastric reflux or GERD. The other is there is a chance of slight leaking of a stomach ulcer, that gets sealed by the mesentery in the abdomen and again there is a leak and so on. Once there is a leak the abdomen muscles tense up in response to the leak. The third possibility is a clot or thrombus in the veins of the abdominal muscles.
If it is GERD or severe acidity then Omeprazole is a good drug to combat this. Along with it you can try over the counter antacids. However I would recommend you see a doctor and take medication under a doctor’s supervision. Avoid heavy meals. Avoid too much of caffeine, tea, fried food and drinks both alcoholic and non alcoholic fuzzy ones. Avoid heavy exercises within 4 hours of a heavy meal. Raise the head end of the bed by pillows to 30 degrees. Go to bed at least 2 hours after food.
Hope this helps. It is difficult to comment beyond this at this stage. Do consult your doctor. Please let me know if there is any thing else and do keep me posted. Take care!
You could have GERD (acid reflux disease). Your stomach is contracting for some reason. it could also be some trapped gas. You can try taking Zantac 150 and something like Gas X and see if that helps. Don't eat spicy or greasy foods or anything with too much fat. Avoid carbonated beverages.
If this doesn't help, then I would check with a doctor. I'm sure it's not serious, but you will feel better to find out.