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Always get a culture before giving antibiotics. If you treat first, you kill the organism and can't identify what caused the infection, so you can't target treatment. This shows up on NCLEX as a trick question.

Always get a culture before giving antibiotics. If you treat first, you kill the organism and can't identify what caused the infection, so you can't target treatment. This shows up on NCLEX as a trick question.
Must know. Nclex tip number four for nursing school Always take a culture before giving any antibiotics. So if you give the antibiotic first, obviously it's going to kill whatever was inside the body, and so you will not be able to find out what caused the infection. So you have to be able to. You know, we really want to know what is causing the infection before we go and kill it. So make sure that you take the culture before you give antibiotics so that we can know what actually caused the infection in the first place and help our patients the most. So when you take your nursing school exams, keep this in mind that you always take a culture first before giving antibiotics. They will try to trick you on that one. So good luck my friend. You'll do great.