The effect of antibiotics on two liver enzymes – serum alanine aminotransferase (ALT) also known as glutamic-pyruvic transaminase (SGPT) and serum alkaline phosphatase (ALP) – was studied in a population of adults in Nsukka, Enugu state Nigeria. Standard clinical methods were used for the assays. The results show statistically significant increase (p 0.05) between the means of both ALT and ALP for the different sexes. There were however, statistically significant differences (p Keywords : Antibiotics, Liver, Serum alanine aminotransferase, Serum alkaline phosphatase Bio-Research Vol. 6 (2) 2008: pp. 351-354
