Question: what to do if voice is lost?
Answer: Rest your voice. The best thing you can do for your irritated vocal cords is to give them a break. ... 
Don't whisper. ... 
Use OTC pain relievers. ... 
Avoid decongestants. ... 
Talk to a doctor about medication. ... 
Drink plenty of liquids. ... 
Drink warm liquids. ... 
Gargle with salt water.