I don’t know why but My husband gave my 4

Patient: I don’t know why but My husband gave my 4 year old adult Robitussin maximum strength nighttime cough dm because he has a cough (not the croup cough anymore)He was seen in the hospital on Sunday 5/17 for croup and they gave him decadron and recemic epi neb the normal amount for adults is 10 ml ever 6 hrs he gave him 2 1/2 ml before bed I just want to make sure he is going to be ok?

Symptoms: Coughing

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I don't know why but My hus...-1

Doctor: