The correct dosage of Colace 100 milligram capsules for children 12 years of age or older is one to three capsules daily, according to Colace. The correct dosage of Colace 50 milligram capsules for children 12 years of age or older is one to six capsules per day.
Unless directed to do so by a doctor, a person taking mineral oil should not take laxatives, notes Colace. Laxatives should also not be used for more than one week, unless under the direction of a doctor. People experiencing stomach pain, nausea or vomiting should consult with a doctor before using a laxative.