"Messi will return to his normal duties with the first team on Wednesday."
The Argentina international missed his team's FIFA Club World Cup semi-final in December as he was suffering from renal colic, a type of abdominal pain often caused by kidney stones.
Despite the problem, he played in the final three days later and has also played in all of Barca's league games since.
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Barcelona visit Valencia in the second leg of their King's Cup semi-final on Wednesday. The La Liga leaders take a 7-0 lead into the match.
(Reporting by Pritha Sarkar, editing by Nick Mulvenney)
