Irritable Bowel Syndrome (IBS): Given the symptom of bloating, IBS is a common condition that could explain the patient's symptoms, especially if there's a change in bowel habits or if the bloating is associated with abdominal pain.

Gastroesophageal Reflux Disease (GERD): Bloating can be a symptom of GERD, especially if the patient experiences heartburn or regurgitation.
Functional Dyspepsia: This condition involves upper abdominal symptoms such as bloating, early satiety, or discomfort not exclusively related to bowel movements.
Small Intestine Bacterial Overgrowth (SIBO): SIBO can cause bloating, gas, and abdominal discomfort due to an overgrowth of bacteria in the small intestine.
Lactose Intolerance or Other Food Intolerances: These conditions can lead to bloating after consuming certain foods.

Ovarian Cancer (in females, but included for completeness): Although the patient is male, it's essential to note that bloating can be a symptom of ovarian cancer in females. For males, the equivalent concern would be:
Abdominal Cancer (e.g., stomach, pancreatic, or colon cancer): While less likely, these cancers can present with nonspecific symptoms like bloating and should not be missed.
Mesenteric Ischemia: A condition where there's insufficient blood flow to the intestines, which can cause severe abdominal pain and bloating.
Intestinal Obstruction: A blockage in the intestine that can cause severe bloating, abdominal pain, and constipation.

Celiac Disease: An autoimmune disorder where the ingestion of gluten leads to damage in the small intestine, causing bloating among other symptoms.
Gastroparesis: A condition where the stomach takes too long to empty its contents, leading to bloating, nausea, and vomiting.
Inflammatory Bowel Disease (IBD): Conditions like Crohn's disease or ulcerative colitis can cause bloating along with diarrhea, abdominal pain, and weight loss.
Hypothyroidism: In some cases, hypothyroidism can cause bloating due to constipation or slowed gut motility.