Southampton striker Dani Osvaldo is facing a series of medical tests to get to the bottom of a mysterious allergic reaction.
The 27-year-old was seen struggling during Italy's 1-1 draw with Germany on Friday and was substituted just after half-time.
On his way off the pitch, Osvaldo appeared to be in control of the problem although his situation is reported to have got worse as he made his way to the changing rooms.
The Azzurri's medical staff disclosed information on Osvaldo's condition, revealing they had been forced to use injections in order to stabilise him.
Enrico Castellacci, part of the Italian staff told the Southampton Daily Echo : "Osvaldo had a pretty strong allergic reaction, so he needed an anti-histamine injection.
"These reactions can be more or less damaging and it got worse as he left the pitch. His condition has since stabilised.
"There's nothing to worry about now but it will be wise for him to have some tests and find out what it is he's allergic to."
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