Musician Justin Timberlake shared that he’s been struggling with the “relentlessly debilitating” Lyme disease during his recently wrapped Forget Tomorrow World Tour.

LOS ANGELES — Justin Timberlake has been diagnosed with Lyme disease, the former NSYNC star said on Instagram Thursday. Timberlake shared the news in a post commemorating his Forget Tomorrow tour, which wrapped in Turkey on Wednesday, adding that the disease “can be relentlessly debilitating, both mentally and physically.”