This white, oval pill imprinted with TEVA 5312 is a Ciprofloxacin 500 MG Oral Tablet, per the NIH.
Ciprofloxacin is a human prescription drug. The active pharmaceutical ingredient is ciprofloxacin hydrochloride and is classified as, "Quinolone Antimicrobial [EPC], Quinolones [Chemical/Ingredient]."
This pill is made by a total of 2 firms: (1) IVAX Pharmaceuticals, Inc., and (2) REMEDYREPACK INC.
There are 9 other white pills that with a similar imprint: "TEVA 5312". They may be a different dosage of the same drug or a different drug entirely.