Constipation symptoms: Constipation - Etiology

Constipation - Etiology, pathophysiology, symptoms, signs, diagnosis & prognosis from the Merck Manuals - Medical Professional Version. Overview of constipation symptoms and causes. See a doctor if you have bleeding in your rectum, blood in your stool, or have continual pain in your abdomen. Constipation is having fewer than three bowel movements weekly. Learn causes, symptoms, treatments, and quick relief options. Learn about the common signs of constipation, such as straining, hard stools, bloating and abdominal pain. Find out how to prevent and treat constipation with diet, water, exercise and home remedies.