Margarita, some throat sprays are made to relieve the pain of a sore throat by deadening the tissue with an anesthetic or provide a drying effect on the sinuses. Singers should avoid those types of sprays. (Different throat sprays for different reasons.) The kind of throat spray a singer can use to help the vocal health is one that helps to keep the membranes hydrated and to thin out any sinus mucous that may be causing a problem. (yuk)