What clinical considerations and next steps should be recommended for a one-year-old infant with acute watery diarrhea that has failed to improve after 48 hours of prescribed treatment with an antibiotic (cefixime), a probiotic (Saccharomyces boulardii), an antiemetic (ondansetron), and zinc supplementation?
Since the diarrhea hasn't improved after 48 hours, it is very important to have your pediatrician re-evaluate him. Watery diarrhea is often viral, meaning antibiotics like cefixime may not help and can sometimes upset his tummy further. For now, the most important step is keeping him hydrated using oral rehydration therapy alongside the probiotic and zinc. Please seek immediate medical care if you notice signs of dehydration, such as fewer wet diapers, crying without tears, extreme sleepiness, or blood in his stool.