Left Side Stomach Pain: When Should You See a Doctor?

This is one of the most common causes of pain in the lower left abdomen. Diverticulitis occurs when small pouches called diverticula in the intestinal wall become infected and inflamed. Diverticulitis may have the following symptoms:

• Nausea
• Fever
• Feeling of bloated stomach
• Vomiting

(Read more - Lower Abdominal Pain)

Celiac disease occurs when a person cannot digest gluten. Gluten is a protein found in wheat and many foods. When a person has celiac disease, his immune system attacks parts of the intestine, causing a variety of digestive problems. Symptoms of celiac disease can be as follows:

• Abdominal pain
• Fatigue
• Weight loss
• Pressure and gas
• Diarrhea
• Bloating

Gas problems arise when a person swallows air while eating or when gas gets trapped in the digestive system during natural digestive processes. Gas temporarily trapped in the digestive system can cause pain and discomfort. Symptoms of gas include -

• Unexplained weight loss
• Constipation
• Blood in stool
• Vomiting or diarrhea
• Heartburn

(Read more - Abdominal Cramps)

A person with lactose intolerance has trouble digesting milk and milk-based products, such as cheese and yogurt. Its symptoms are -

• Diarrhea
• Abdominal pain
• Bloating
• Nausea

Crohn's disease and ulcerative colitis are conditions that can cause painful inflammation anywhere in the digestive tract. It is still not known what causes Crohn's disease or ulcerative colitis. The most common symptoms include abdominal pain, fever and bloody diarrhea.

(Read more - Home remedies for stomach pain)

Indigestion occurs due to the formation of acid after eating. The symptoms of indigestion are as follows -

• Burning
• Mild pain or discomfort
• Bloating or gas

Irritable bowel syndrome is a gastrointestinal disorder. IBS can have the following symptoms -

• Abdominal pain
• Pressure
• Constipation or diarrhea
• Gas
• Bloating

(Read more - Acupressure Points to Soothe Stomach Pain)

Lack of exercise and poor diet can lead to constipation. Some of the symptoms of constipation include

• Straining while passing stools
• The need to put pressure on the abdomen to help expel stools
• Very hard stools
• Feeling like the rectum is blocked
• Feeling like not all the stool has passed
• Having fewer than three bowel movements a week

Most stones are formed by the formation of calcium. Stones can cause sharp pains under the ribs, in the sides and in the back. This pain can get better or worse in a few moments. The following symptoms of stone can occur -

• Pink, red, brown or foul-smelling urine
• Pain while urinating
• Frequent urination
• Nausea
• Vomiting
• Fever or chills

(Read more - Acidity Pain)

A hernia occurs when an internal organ of the body protrudes through a weak spot in the abdominal muscles. A lump or bulge may appear in the abdomen or groin with a hernia. This bulge can be painful, especially when you cough, bend or lift a heavy object.