Turns out that fish antibiotics are the same pills as the generics that are sold to Costco, Walmart, etc. Not the same formula - the same PILLS.
They're available over the counter from vet/fish stores with no prescription, you can get: Ampicillin, Cephalexin, Ketoconazole, Penicillin, Amoxicillin, Erythromycin, Metronidazole, Tetracycline, Doxycycline (bird antiobiotics section) and Sulfamethoxazole.
They're inexpensive compared to what you'd pay at the drugstore.
I've added eight hundred doses of an array of these to my just-in-case survival cache, I've also added the books "Where There Is No Doctor", "Wilderness Medical Society Practice Guidelines for Wilderness Emergency Care 5th edition", "The Handbook of Antibiotics" and a comprensive medical kit.
A member of a survival board did in-depth research:
An example of where to get them:
I thought I'd pass this along, along with the warning:
IF YOU DONT KNOW EXACTLY WHAT YOURE DOING WITH ANTIBIOTICS - DONT ADMINISTER THEM!!! You could kill somebody, or breed a resistant strain of bacteria.
I've had a good bit of first responder training and I wouldnt administer antibiotics without checking the references first.