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The symptoms you have, give rise to suspection about acid peptic disease
,either due to increased secretion of gastric acid
or poor gastric mucosal defense mechanism against effects of the gastric acid. Which commonly present with nausea and bloating of the stomach and in sever cases can present with loss of appetite and diarrhea
I would advice you to get a Endoscopy
( Upper G I endoscopy ) to confirm the fact and be put o antacids for the same . Avoid spicy and hot foods .
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