She obviously has an ear infection at present and as you correctly say, the antibiotic is causing diarrhoea. Her ear infection should respond to treatment very quickly. Use the saline at least twice daily for her blocked nose and keep up the Hydrol to replace lost electrolytes with her diarrhoea. Give her a probiotic starting immediately such as Reuteri infant drops 1ml daily and keep this up for 10 days.
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