I can’t get rid of this genital rash that is making me miserable

I tested positive for Chlamydia and took my medication and treated it but i still have a very raw skin rash on my vagina that WILL NOT go away it is so itchy and burns and is literally ruining my life i can not get rid of it and i also have no idea what it is to properly treat it. Does anyone know? is it linked to chlamydia? im so desperate pls help.

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the antibiotics can cause a yeast infection u need to go back to your doctors and get swabbed again