• nausea
• bloating
• burning sensation in the stomach or pit of the stomach
• gas, or being gaseous
• belching, burping, excessive belching
• feeling like there is a lump or knot in your stomach
• stomach discomfort or distress
• an uncomfortable fullness in your stomach
• feeling like you have butterflies in your stomach
• a tightness in your stomach
• an “anxiety” stomach
• an excess of acidity
• a “heavy” stomach
• a "rumbling" after you eat sensation
• an uneasiness in your stomach
• acid reflux
• vomiting
• diarrhea
• loose stool
• constipation
• Irritable Bowel Syndrome
• chronic stomach problems