Dori-DS Oral Suspension Orange is used to reduce and relieve smooth muscle spasms in the gastrointestinal tract, urinary tract, and gall bladder. It contains Drotaverine, which works by relieving contractions associated with smooth muscles of the gastrointestinal tract, gall bladder, and urinary tract. It may cause side effects such as nausea, vomiting, dry mouth, sweating, dizziness, and constipation. Before giving this medicine, you should tell your doctor if your child is allergic to any of its components and about all the medications and pre-existing medical conditions of the child.