He was replaced by Alex Oxlade-Chamberlain.
The former Real Madrid man sat out of Arsenal's 2-0 victory over Crystal Palace on Sunday with the same illness and has failed to recover in time for tonights encounter with Bournemouth. Pjanic is said to have answered "with enthusiasm" despite the fact that the player only joined the Italian giants from Roma for a transfer fee of £25m in the summer past year.
The Arsenal star will contend with Eric Ayiah and Sandra Ansah, both from Ghana, Franck Jessie of Cote d'Ivoire, and Sikiki Maiga from Mali. The biggest problem for Arsenal will be that this will be their second game in two days, while Bournemouth have had an extra day to recover.
'We're prepared to fight until the end, ' said Ramsey. Wilson made it 2-0 from the penalty spot.
The Cherries have won five of their last eight Premier League home games - the same tally that they managed in their first 20 games at home in the competition.
It could still have got worse for Arsenal with Stanislas' free kick kept out by Cech.
Giroud saves Arsenal from home disappointment
The coach who defended Mersut Ozil from critics about his work rate added that lots of players fail just because they could not resist stress.
No Bournemouth player has more assists (7) or chances created (54) than defender Charlie Daniels in the Premier League.
Sanchez has been the go-to man on the road this season for Arsenal with the Chile global scoring nine goals and assisting on three more in nine Premier League away appearances.
Bournemouth were bright from the off as they looked to press Arsenal's defence and not give them any time on the ball. Joshua King added one more to the tally to help his side seal three points at the Liberty Stadium.
They will, although, be without on loan playmaker, Jack Wilshere, who is unable to play against his parent club.
What a comeback. Arsenal looked dead and buried at 3-0 down but came back to grab an unlikely point on the south coast. The Cherries welcome Arsenal to the Vitality Stadium and the Gunners can be backed at 5/6. Arsene Wenger saw his side start 2017 with a win and the Gunners manager will be looking for another win away from home.