What's wrong with abdominal distension, abdominal pain and flank pain?

I just had a cold (fever early in the morning and late at night, no cough) and took fever-reducing medicine. After 2 days, my stomach was full of gas and indigestion. So the doctor asked me what is wrong with abdominal pain, abdominal pain and both sides.

Abdominal Pain in Physical Therapy Practice: 3 Patient Cases

Evaluation of Acute Abdominal Pain in Adults

The dangers of 5 abdominal diseases

Ascites (excess abdominal fluid): Symptoms, treatment, and causes

Abdominal Pain - Medical Care One

Abdominal pain Information

5 Signs Your Bloating Isn't Normal

Common Causes of Lower Back, Abdominal Pain, and Bloating

Abdominal Health Emergencies - Elitecare Emergency Hospital

Common Causes of Abdominal Left Side Pain

Stomach and Back Pain at the Same Time - NJ's Top Orthopedic Spine

Acute Abdominal Pain - Digestive Disorders - Merck Manuals