Occurrence of antibiotics and bacterial resistance in wastewater and sea water from the Antarctic.

•Occurrence of antibiotics in wastewater and seawater from Antarctic was evaluated.•Quinolones and macrolides were the most found in wastewater from several stations.•Detailed study made to ensure quality control of analysis during sample collection and treatment, and shipping of samples.•Bacteria resistance (E. Coli) was observed for several groups of antibiotics.•Periodical monitoring of pharmaceuticals in waters and additional treatments in WWTPs are required.