Child prescribed antibuotic antibiotic for 5 days but there is still some left, should he take it one extra day or just toss the leftover medicine?

Antibiotic left: It's wise to finish the course of antibiotics that was prescribed depending on the Diagnosis. Removing symptoms doesn't guarantee cure A child might be treated for an ear infection + If course of antibiotics isn't completed , there is increased chance of the infection coming back. The antibiotic is prescribed 1) to alleviate the symptoms 2) Treat +cure infection 3) Prevent reinfection