After saying he felt better, he left the venue in a limousine.
Berry's agent, Dick Alen said Sunday via e-mail Berry was suffering from exhaustion at the concert.
An audience member at the show said Berry fell face first onto a keyboard was helped offstage.
Officials did not comment on the audience member's version of what happened.
Berry is known for classic songs including "Maybelline," "Johnny B. Goode," and "Roll Over Beethoven."
The Associated Press contributed to this report.
