Federal Minister of Economics Peter Altmaier (CDU) says he is "doing very well again".
Altmaier wrote in a tweet on Tuesday morning: “After a busy day, my admission to the hospital was a precaution.
However, the previous investigations have not confirmed the concerns of my employees. "
Altmaier was brought to a Berlin hospital with an emergency doctor on Monday evening, according to information from the German Press Agency.
Altmaier had attended a dinner of the Bundestag Economic Committee in a Berlin hotel.
He thanked him on Tuesday morning, "for the many good wishes that touched me very much".
The 63-year-old politician has been Federal Minister for Economic Affairs and Energy since March 2018.
He is a close confidante of Chancellor Angela Merkel (CDU) and was previously head of the Federal Chancellery and Federal Environment Minister.
Altmaier has completed numerous appointments in the election campaign in the past few days and weeks. He will run again in the constituency of Saarlouis in Saarland. Altmaier has been a member of the German Bundestag since 1994. On Monday morning Altmaier had taken part in an event organized by the Federation of German Industry in Berlin and gave a speech.