“…Other compound investigated in this group are venlafaxine, it is used in treating depression and anxiety. With concentrations 0.19 ng L −1 to the level of 244 ng L −1 , venlafaxine was the most frequently reported drug from the anti-depressants therapeutic group (Bagnall et al, 2012;de Jongh et al, 2012;Gros et al, 2012b;Rúa-Gómez and Püttmann, 2012;Baker and Kasprzyk-Hordern, 2013;Acuña et al, 2015;Boix et al, 2015;Aymerich et al, 2016;Lardy-Fontan et al, 2016;Paíga et al, 2016;Petrie et al, 2016;Brieudes et al, 2016Brieudes et al, , 2017Ahkola et al, 2017;Archer et al, 2017b;Urns et al, 2017). Venlafaxine has not only the highest concentration recorded but is also more frequently reported in European aquatic environments than in Africa.…”