Diverticulosis is a condition where diverticula (small pouches) are formed on the walls of the digestive system. It is often caused due to a low fiber diet, high fat diet, and repeated straining during constipation. The symptoms are nausea, abdominal pain, and fever when the diverticula get inflamed. Mild diverticulosis is treated by taking antibiotics. Taking a high fiber diet, drinking plenty of fluid and regular exercise helps a lot. In severe cases, surgery is done.
Diverticulitis: Causes, Clinical Features, Investigations, and Treatment
Diverticulitis is the inflammation of the diverticulum which is the abnormal outpouching of the large intestine wall, resulting in abdominal pain, fever, etc.

Diverticulosis - An Overview
Diverticulosis is merely protuberances or chambers in the colon. Often, these do not cause symptoms or necessitate treatment.
Diverticular Disease and Its Complications
Diverticular diseases are the conditions that occur when small bulges develop in the large intestine. To learn more in detail, read the article.