Functional Dyspepsia: This condition is characterized by recurring symptoms of upper abdominal discomfort or pain, early satiety, and bloating, which are not explained by other pathologic conditions. It is a common cause of postprandial gastric heaviness and bloating, often related to eating.

Gastroesophageal Reflux Disease (GERD): While primarily known for causing heartburn and regurgitation, GERD can also lead to symptoms of bloating and discomfort after eating due to the reflux of stomach contents into the esophagus.
Irritable Bowel Syndrome (IBS): Although IBS is more commonly associated with alterations in bowel habits (diarrhea or constipation), bloating is a prevalent symptom. Postprandial worsening can occur, especially if certain food triggers are consumed.
Food Intolerance: Lactose intolerance, fructose malabsorption, and other dietary intolerances can lead to bloating, gas, and discomfort after eating due to the inability to properly digest certain nutrients.

Gastric Cancer: Although rare, gastric cancer can present with nonspecific symptoms such as postprandial fullness, bloating, and weight loss. It's crucial to consider this diagnosis, especially in high-risk populations or those with alarming symptoms like unexplained weight loss or difficulty swallowing.
Peptic Ulcer Disease: Peptic ulcers can cause epigastric pain and discomfort that may worsen after eating. While not all cases present with bloating, the potential for complications like bleeding or perforation makes this a critical diagnosis not to miss.
Inflammatory Bowel Disease (IBD): Conditions like Crohn's disease and ulcerative colitis can cause a wide range of gastrointestinal symptoms, including bloating, abdominal pain, and changes in bowel habits. Early diagnosis and treatment are essential to manage the disease and prevent complications.

Gastroparesis: A condition characterized by delayed stomach emptying, which can lead to bloating, nausea, vomiting, and feeling full after eating only a small amount of food. It can be caused by diabetes, certain medications, or after surgeries.
Small Intestine Bacterial Overgrowth (SIBO): An excessive growth of bacteria in the small intestine can lead to bloating, gas, abdominal pain, and changes in bowel habits after eating. It's more common in certain conditions like scleroderma or after intestinal surgery.
Celiac Disease: An autoimmune reaction to gluten that can cause a variety of gastrointestinal symptoms, including bloating, abdominal pain, and changes in bowel habits. It's essential to consider this diagnosis in individuals with persistent or severe symptoms.