Medically reviewed by Sonal Kumar, MDColonoscopy prep is complete once your poop is a light yellow with no dark particles. You'll need to follow a specific low-residue diet to empty your colon. During ...

Children ages 12 years and older can take the oral softgel capsule, oral caplet, or oral liquid. If you have bloody or black stool, you should not take Imodium A-D to treat diarrhea. Call your ...