2012 Cross of Merit, 1st class of the Order of Merit of the Federal Republic of Germany.
2011 Yaku Okuda Medal for Excellence in Cell Volume Regulation Research.
2011 Medal of Honor of the Heinrich Heine University Duesseldorf.
2008 ISHEN Award Padua.
Since 2004, Member of the North-Rhine-Westphalian Academy of Sciences, Humanities, and Arts.
2003 Medal of Merit of the Heinrich Heine University Duesseldorf.
Since 2002, Member of the National Academy of Sciences Leopoldina.
2002 Dr. Robert Pfleger Research Award.
2001 Géza Héteni Medal.
Since 2001, Honorary Member of the Hungarian Society of Gastroenterology.
1998 Kone Award of the Association for Clinical Biochemistry, Glasgow.
1995 Honorary Award of the Druidenorden.
1994 NUTRIM Prize.
1991 Gottfried Wilhelm Leibniz Prize of the German Research Foundation (DFG).
1990 Medal of the Faculty of Medicine at Okayama University.
1989 Tannhauser Prize of the German Society for Gastroenterology, Digestive and Metabolic Diseases.
1984 Friedrich Wewalki Prize.
1985 - 1990 Heisenberg Scholarship, German Research Foundation