WKBW — Justin Bieber announced he has recently been diagnosed with Lyme disease.
On Instagram, Bieber also announced he is suffering from "a serious case of chronic mono" which has been affecting his "skin, brain function, energy and overall health."
"It's been a rough couple years but getting the right treatment that will help treat this so far incurable disease and I will be back and better than ever," Bieber wrote.
The pop sensation says he is going to be revealing more details in an upcoming documentary.
Bieber is scheduled to perform atKeyBank Center on Monday, August 24.