 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  prolongation (see above). Babies may be at higher risk for a certain serious stomach problem. Contact your child's doctor right away if your child vomits or becomes irritable with feeding. Tell your doctor if you are pregnant before using this medication. This medication passes into breast milk. Consult your doctor before breast-feeding.The interactions of EryPed 400 Oral: Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval. A product that may interact with this drug is: digoxin. Many drugs besides erythromycin may affect the heart rhythm (QT prolongation), including amiodarone, dofetilide, pimozide, procainamide, propafenone, quinidine, sotalol, among others. Other medications can affect the removal of erythromycin from your body, which may affect how erythromycin works. Examples include azole antifungals ( </s>