The symptoms mentioned by you point towards a upper respiratory infection
involving the larynx(voice box).Barking cough with minimal sputum and voice change occur in this.Laryngitis
is usually viral and is self limiting.There is a possibility that the infection which is limited to upper respiratory tract
now, may progress to involve the lower respiratory tract.This may be indicated by yellow sputum
on coughing,fever etc.If this occurs ,then consultation with a doctor and a course of antibiotic become compulsory.Till then doctor consultation in optional in your case.