There's no way to fully diagnose throat cancer at home and the only way to know 100 percent that you have throat cancer is to go to the doctor and get some tests done.
But some signs that you should look for at home that may alert you to the possibility of throat cancer are the signs of throat cancer which are.
Sudden weight loss, constant sore throats that get worse or don't go away normally, lumps in your throat that don't go away, ear pain, difficulty swallowing, coughing that gets worse or doesn't stop.
Another possible sign of throat cancer is changes in your voice including things like hoarseness or not speaking clearly.
Throat cancer can be and is deadly especially if not treated in time and the sooner you get treatment for the throat cancer the higher chance you have at surviving throat cancer.
So get to the doctor as soon as possible if you think you may have throat cancer or go to the urgent care center or emergency room just to be safe.