The EU on Friday said back pain caused European Commission chief Jean-Claude Juncker to stumble at a North Atlantic Treaty Organisation summit and denied "insulting" insinuations that he was drunk.
Sciatica is a common condition that affects the sciatic nerve, which runs from the hip to the foot.
EU Commission chief Jean-Claude Juncker is recovering from "painful attack of sciatica" he suffered at the meeting in Brussels, the commission spokesman Margaritis Schinas has said rebuffing "insulting" rumors of drunkenness. The pain can be occasional and mild, or constant and debilitating.
'The president wishes to thank publicly Prime Ministers Mark Rutte and Antonio Costa for assisting him during this painful moment. "I think it's been a very effective way of negotiating, but I'm not negotiating, I just want fairness for the United States", Reuters quoted Trump as saying. That was unfortunately the case Wednesday night, ' Schinas added.
When asked by a reporter if Mr Juncker was drunk, the European Commission spokesman said it is "more than tasteless that some press tried to make insulting headlines by exploiting President Juncker's pain".
Mr Shinas said he was unaware whether Mr Juncker had received medical treatment following the event - but insisted the president takes medication to help ease the pain caused by sciatica.
The spokesman did not answer a question regarding whether the European Commission President had had an alcoholic beverage before dinner. This is not the first time that Juncker has exhibited behaviour that indicates a drink problem.
Most recently, on June 21, he appeared to struggle while walking down the stairs in the lower house of the Irish parliament, en route to the podium to give a speech.
At the time, he quipped: "I would rather be drunk". After a lunch I grabbed a Dutch minister by the arm and he said that I was drunk. Schinas confirmed Friday that the president would be completing his "very demanding agenda" and that there were no plans for him to be accompanied by a doctor.