My voice has been gone for 3 days. i was yelling two days before it was actually gone. what can be the cause and how can i treat it with home remedies?

Rest your voice: Laryngitis can be caused by shouting or straining your voice too much. It sounds like that is what happened. You should give your voice a rest. If you are a singer or need to use your voice for work, you might want to think about taking voice lessons to learn how to protect your voice. If you were also smoking or drinking, limit how much you smoke or drink. Better yet, quit smoking completely.