The 33-year-old was handled on the pitch after he was seen holding his chest simply moments earlier than half-time and was subsequently changed throughout the break.
Medics tended to Aguero as he lay on his again however the participant was capable of stroll off the pitch himself.
“I used to be instructed he was feeling a bit dizzy. I’ve simply discovered that he was taken to hospital and I can not say rather more till I do know,” Barcelona’s caretaker coach Sergi Barjuan stated after the match.
Aguero’s former membership, Manchester Metropolis, posted a message on Twitter wishing the striker effectively.
“Everybody at Manchester Metropolis needs you a speedy restoration,” it learn. “We’re with you.”
Aguero was making his first begin on the Camp Nou since his summer time transfer from the Premier League membership.
The ahead has been recovering from harm whereas Barcelona has made a poor begin to the season.
Ronald Koeman was sacked as supervisor final week because of the workforce’s poor kind, with the membership at the moment languishing ninth in La Liga.