... like all medications (including antibiotics) it can cause great harm if administered to the wrong patient or for the wrong reason.

Before you consider buying antibiotics, please consider getting a quick education. Here are some reliable sites with the kind of medical information survivalists and preppers can use:
[link to www.doomandbloom.net]

[link to www.thesurvivaldoctor.com]

[link to www.globalanomalies.com]