Where can i find the backround of antibiotic creams?

Answer 1

I have listed some sites that U will find your answer & more information.
en.wikipedia.org/wiki/Antibiotic
www.nlm.nih.gov/medlineplus/antibiotics.html
helios.bto.ed.ac.uk/bto/microbes/penicill.htm
familydoctor.org/680.xml
www.intmed.mcw.edu/AntibioticGuide.html
www.righthealth.com
Hope this helps you.