Lactobacillus Reuteri for the Treatment of Infantile Colic:

Eligible infants will be randomly assigned to receive either L. reuteri 108 CFU per day or placebo. Both the active treatment and placebo will be taken orally, 1 times daily, for 21 days. All infants are eligible for screening. If a patient appears to meet the criteria for enrollment and express interest in the study, cow's milk elimination diet will be prescribed for 1 week to a breastfeeding mother (and to an infant, in case of formula fed infants). Care givers will be asked to record for 1 week symptoms of colic. Children fulfilling inclusion criteria will be asked to participate in the study.