Real Madrid announced on Thursday that striker Kylian Mbappe has been admitted to the hospital in Miami suffering from gastroenteritis.

Mbappe missed his side's 1-1 draw against Saudi Arabian side Al-Hilal in their first group match in the FIFA Club World Cup at Miami's Hard Rock Stadium.

"Our player Kylian Mbappe is suffering from an acute case of gastroenteritis and has been admitted to hospital in order to undergo a series of tests and follow the appropriate course of treatment," read a club medical report on Thursday morning.

Gastroenteritis is a stomach infection that causes vomiting and diarrhea, and the news means Mbappe is unlikely to play in Madrid's second group match on Sunday against Mexico's Pachuca, which lost 2-1 to Red Bull Salzburg on Wednesday evening.