Does antibiotics get rid of a STD?

There are antibiotics to cure bacterial STDs, like chlamydia, syphilis, and gonorrhea, and to cure parasitic or protozoal STDs, like pubic lice and trichomoniasis. Antibiotics don't cure viral STDs like hepatitis B and C, herpes, HIV, and genital warts.
Yes; the antibiotic will remove the bacteria.
Antibiotics will cure the bacterial and protozoa STDs.
It will kill the bacteria from such STIs as chlamydia, gonorrhea, and syphilis.