Fig. 3. Algorithm for infantile colic. GI: gastrointestinal, CM-free: cow's milk-free, BF: breastfed, eHF: extensively hydrolyzed formula, FF: formula fed, CMPA: cow's milk protein allergy, L: Lactobacillus, pHF: partially hydrolyzed formula, GOS: galacto-oligosaccharides, FOS: fructo-oligosaccharides.