 [ Symptoms ] strep throat   is bactrim a good antibiotic for strep throat  originally started on the right side of my body   right ear right side of throat redpainful right side of neck super stiff and painful but now the left ear left side of neck glands swollen [ Disease ] bactrim is not effective against strep and it is not a good idea to self diagnose and self treat a painful sore throat accompanied by other symptoms