A teenager is going viral after sharing a video of her self-described “weird, undiagnosed” condition.TikTok user Madi Fischer shared the clip on May 12, where it’s since received more than 550,000 views.In her video, the teen explains that whenever she works out, she only sweats on the right side of her body.Fischer then shares a series of post-workout photos, in which her face is always only red and sweaty on one side.The video fascinated several TikTok users, who commented that they’d never seen anything like it before.Some users wrote that they also faced similarly unusual sweating patterns, but hadn’t realized others shared their experience.Still, others were quick to help try and diagnose the teenager, pointing out that her symptoms mirrored those found in Harlequin syndrome.That rare condition is a syndrome that affects the autonomic nervous system, changing a person’s sweating and skin flushing.Fischer wrote in her video’s comments that she has visited several doctors and her family now believes Harlequin syndrome is most likely her diagnosis