how to treat bacteria?

Answer 1

a bacterial infection of the body is treated with antibiotics gotten from a doctor.
bacteria in the home is treated with keeping the home clean.
bacteria on the skin, use good old soap and water.

Answer 2

What kind of bacteria? Do you mean infection or staph? Good old soap and water is always a good start. But with all the germs today, some forms need to be seen by a Dr. and need medication. If an area is swollen , red, hot and doesn't seem to be getting better, see a Dr. immediately. Some of the germs today can kill you.