How do you rule out constipation?

How do you rule out constipation? Diagnosis Blood tests. An X-ray. Examination of the rectum and lower, or sigmoid, colon (sigmoidoscopy). Examination of the rectum and entire colon (colonoscopy). Evaluation of anal sphincter muscle function (anorectal manometry). Evaluation of anal sphincter muscle speed (balloon expulsion test). Who constipation guidelines? WGO Read more…