Bicillin L-A Antibiotic Penicillin G Benzathine 1200 MU/mL Intramuscular Injection (Rx) Prefilled Syringe 2 mL x 10 Count **Refrigerated**Bicillin L A (Penicillin G Benzathine) 1200 MU mL Intramuscular Injection is an antibiotic used to treat specific bacterial infections. It is effective in the treatment of syphilis, rheumatic fever prophylaxis, and certain upper respiratory tract infections caused by penicillin sensitive bacteria. Bicillin L A works by inhibiting bacterial cell wall synthesis, thereby preventing the growth and spread of the infection. This long acting formulation