Diverticulitis causes symptoms that include abdominal pain (especially in the lower left side), fever, chills, nausea, and bloating. You may experience gas but be unable to pass it or to defecate.

Does diverticulitis cause gas?

Excess gas is often a symptom of chronic intestinal conditions, such as diverticulitis, ulcerative colitis or Crohn's disease. Small bowel bacterial overgrowth. An increase or change in the bacteria in the small intestine can cause excess gas, diarrhea and weight loss. Food intolerances.

How do you relieve gas from diverticulitis?

A fiber supplement, such as psyllium (Metamucil) or methylcellulose (Citrucel), may help with constipation and diarrhea. They help by bulking up your stool and making it easier to pass. Fiber supplements can cause gas and bloating when you first begin taking them.