Actress Selma Blair Say She Has Been Diagnosed With MS

Selma Blair arrives at the Los Angeles premiere of "Lost in Space" at the ArcLight Cinerama Dome on April 9, 2018. Chris Pizzello/Invision/AP, File

LOS ANGELES—Film and TV actress Selma Blair announced she is dealing with a diagnosis of multiple sclerosis.

In a post Saturday on her Instagram account, Blair, 46, says she was diagnosed with the disease of the central nervous system on Aug. 16.