According to LoudWire "In a statement shared on social media by Aerosmith, Tyler says, I’m heartbroken to say I have received strict doctor’s orders not to sing for the next thirty days. I sustained vocal cord damage during Saturday’s show that led to subsequent bleeding. We’ll need to postpone a few dates so that we can come back and give you the performance you deserve."
Read More: Aerosmith Postpone Month of Touring, See Steven Tyler's Statement