Pharmaceuticals in the environment - global occurrences and perspectives

  • Aus der Beek T
  • Weber F
  • Bergmann A
 et al. 
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Pharmaceuticals are known to occur widely in the environment of industrialized countries. In developing countries more monitoring results have recently become available, but a concise picture of measured environmental concentrations (MECs) is still elusive. Through a comprehensive literature review of 1016 original publications and 150 review articles we collected MECs for human and veterinary pharmaceutical substances reported worldwide in surface water, groundwater, tap/drinking water, manure, soil, and other environmental matrices in a comprehensive database. Due to the heterogeneity of the data sources a simplified data quality assessment was conducted. The database reveals that pharmaceuticals or their transformation products have been detected in the environment of 71 countries covering all continents. These countries were then grouped into the five regions recognized by the United Nations (UN). In total, 631 different pharmaceutical substances were found at MECs above the detection limit of the respective analytical methods employed, revealing distinct regional patterns. Sixteen substances were detected in each of the five UN regions. For example, the anti-inflammatory drug diclofenac has been detected in environmental matrices in 50 countries, and concentrations found in several locations exceeded predicted no effect concentrations (PNECs). Urban wastewater seems to be the dominant emission pathway for pharmaceuticals globally, although emissions from industrial production, hospitals, agriculture, and aquaculture are important locally. We conclude that pharmaceuticals are a global challenge calling for multi-stakeholder approaches to prevent, reduce, and manage their entry into and presence in the environment, such as those being discussed under the Strategic Approach to International Chemicals Management (SAICM), a UN Environment Program. This article is protected by copyright. All rights reserved.

Author-supplied keywords

  • measured environmental concentration
  • pharmaceutical

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  • Tim Aus der Beek

  • Frank-Andreas Weber

  • Axel Bergmann

  • Silke Hickmann

  • Ina Ebert

  • Arne Hein

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