Homeocan Kids 0-9 Flu Buster Oral Solution is homeopathic medicine for kids 0-9 years of age. This homeopathic medicine is to be taken at the onset of flu-like symptoms: fever, chills, runny nose, aches & pains, feeling run-down. Do not use if seal is broken. Consult a healthcare practitioner in cases of high fever or if symptoms worsen or persist beyond 3 days.