"If you've experienced this disease or know someone who has — then you're aware: living with this can be relentlessly debilitating, both mentally and physically," Timberlake wrote. "When I first got the diagnosis I was shocked for sure.

Justin Timberlake revealed he was diagnosed with Lyme disease earlier in the year after facing criticism over several cancelled tour dates.

The singer said living with Lyme disease “can be relentlessly debilitating, both mentally and physically.” Here’s what to know about the condition caused by ticks.