Hi. Generally most of the swallowed foreign objects like coins come out in 4 to 6 days. Sometimes it may take 3 to 4 weeks also. Since it is a coin we can wait and watch. Daily observation of the stool for the coin. Normal diet. No need to give any medicine for increasing motions.
Next Steps
Report to doctor immediately if the child has any of these symptoms - pain Abdomen, vomiting, blood in stool or vomit, persistent fever