Following a challenge from Lucas Moura, Xhaka limped off the field after 82 minutes in Arsenal's 3-1 win over Spurs on Sunday.
Arsenal continued their resurgence as they beat Tottenham Hotspur 3-1 at Emirates stadium on Sunday.
After losing the first three matches in the new Premier League season, Arsenal opened their account against Norwich City last weekend.
Thomas Partey showed what he can bring to the Arsenal midfield during the 1-0 win over Norwich. But he will need to stay fit to make a bigger impact.
Manchester United and Everton contested a classic Premier League encounter on this day 11 years ago, playing out a thrilling 3-3 draw.
Arsenal have lost all three matches in the new Premier League season and are currently sitting at the bottom of the table.
Arsenal had a busy summer transfer window, making six signings, all aged 23 or under as the club is eager to get back to its glory days.
Mikel Arteta has overseen Arsenal's worst-ever start to a Premier League season, as the Gunners currently sit at the bottom of the table.
Both summer signings started on Wednesday as Arsenal eased into the round three of the Carabao Cup with a 6-0 win at West Bromwich Albion.
Arsenal will play West Brom in their opening match of the Carabao Cup this season and Arteta is keen to do well in the competition.