Since the diarrhea has lasted for 7 days despite taking Enterogermina and Taxim O (cefixime), please have your baby evaluated by a pediatrician immediately. Persistent diarrhea in infants can quickly lead to dehydration. Keep feeding your baby frequently with breast milk or formula to maintain hydration, and watch for signs like dry mouth or fewer wet diapers. Your pediatrician will determine if the antibiotic is still necessary or if another treatment is needed. Please avoid starting any new medications without professional advice.