Worst nightmare

This what has happened on the 7th of i went to medirite by randburg square with my script that i got from my doctor then i was assisted by Peter,then he read it and bring gave me the pill i even recalls asking him if they are for prevention as my doctor has told me and he said he"think so"and continue dispersing them and i took them and start to taking them only to find out that all this time i was taking antibiotics after i showed them to the doctor and he said u where given wrong medication and yesterday i went back and tell him but no was interested to assist even that lady who was on duty as pharmacists on blame the doctor's hand writing but i ask how one continue dispersing something you not sure of,what if i have reacted to them or even worse or even be pregnant for that matter and she refused to a refund