 [ Symptoms ] i was treated for a penile yeast infection with fluconazole when can i safely have sex with my wife i have a cyst condition which i have been taking an antibiotic for prescribed by my doctor [ Disease ] no you should not take anything especially an antibiotic when you are pregnant unless it was specifically prescribed for you for this condition by your ob doctor besides i do not know that is cause of your cysts nor did you disclose what kind of antibiotic you want to use let you doctor treat this problem