My privacy rights were violated what should I do?

I picked up a prescription a few days ago then returned to that same pharmacy to pick up a new prescription. When i went to get my new script the pharmacist said hey i remember you weren't you in here the other day picking up (med name i pick up) I was stunned that he said that out loud and just kinda said umm yeah? then once my new script to be filled i was checking out and said i had a question for the pharmacist she came to the check out counter where other customers were and proceeded to discuss the issue right there instead of at the consultation window she said well this med is for (name of what med was for) and said she wasn't sure of how it interacted with my other meds (i don't know is not an answer you want to hear from your pharmacist) anyhow what should i do about this i know i need to report it to someone.....