© The Author(s) 2015. Published by Science and Education Publishing. Table S1. Anatomically Therapeutic Classification system for systemic antibiotics Antibiotic Class ATC class Penicillins : J01C Penicillins with extended spectrum J01CA Penicillin combination with B-lactamase inhibitors J01CR B-Lactamase-sensitive penicillins J01CE Cephalosporins: J01D First-generation cephalosporins J01DAa Second-generation cephalosporins J01DAb Third-generation cephalosporins J01DAc Fluoroquinolones J01MA Macrolides, lincosamides and streptogramins J01F Sulphonamides and trimethoprim J01E Aminoglycosides J01G Metronidazole J01XD01 Tetracyclines J01A Malak Khalifeh et al. Community Usage Pattern of Antibiotics within Lebanese Population: A Prospective Study. American Journal of Pharmacological Sciences, 2017, Vol. 5, No. 2, 49-56. doi:10.12691/ajps-5-2-5 © The Author(s) 2015. Published by Science and Education Publishing.