[FXRP]

Best source for antibiotics?

[Lurker]

Look into aquarium antibiotics.

[Kartographer]

http://www.doomandbloom.net/antibiotics-and-their-use-in-collapse-medicinetm-part-1/

http://www.doomandbloom.net/antibiotics-and-their-use-in-collapse-medicinetm-part-2/

http://www.doomandbloom.net/antibiotics-and-their-use-in-collapse-medicinetm-part-3/

http://www.doomandbloom.net/antibiotics-and-their-use-in-collapse-medicinetm-part-4/

http://www.calvetsupply.com/ has been highly spoken of here on FR and other prepper sites.

[Southack]

Pet stores and vet clinics for the same antibiotics for people, just different external packaging.