What Causes Pain In Bartholin Cyst With Pimples In Vagina?

hi.i am 25 years female.2months back, i was operate known as bartholine cyst right side of vegina lips.but now it is painful and i take antibiotic for 1month. sometimes pimples are grown on my vagina lips. sometimes i m doing sex with my boyfriend.so tel me birtholine cyst can occur again?