How to cure a hoarse voice in an hour, While complete recovery of a hoarse voice in an hour is unlikely, some strategies may help soothe and improve it: Stay hydrated with warm, non-caffeinated beverages. Gargle with warm saltwater. Avoid whispering, which strains the vocal cords. <br>Rest your voice and avoid irritants. Consider lozenges or sprays with soothing ingredients. <br>Significant improvement often requires more time, so consider professional voice care if the hoarseness persists.