Hoarseness of voice is a condition in which the voice becomes rough and strained, often caused by an infection or irritation of the vocal cords. The term for this condition is 'RASP, ' which is a four-letter word commonly used to describe hoarseness of voice. Hoarseness of voice can also be caused by excessive use of the voice, allergies, smoking, or other medical conditions. Treatment for hoarseness of voice may include rest, hydration, and avoiding irritants such as smoke and alcohol.