The invention relates to a stable, preservative free, aqueous shampoo compositions of terbinafine hydrochloride and zinc pyrithione, the compositions comprising one or more solubilizers, one or more surfactants and one or more foaming agents, one or more thickening agents. Methods of preparing such compositions are also provided. The present invention further relates to use of terbinafine hydrochloride and zinc pyrithione shampoo compositions for the treatment and prevention of itching, flaking, and scaling of the scalp caused by dandruff or seborrhea.