Get well soon, Jason Priestley!

The Beverly Hills, 90210 star, 46, was hospitalized for a concussion earlier this week after being thrown from a horse while filming his new ABC show, The Code.

"Hey guys, thanks for all the kind words… It's true, I did get thrown off a horse on set," Jason wrote on Twitter on Wednesday, Nov. 11. "I got my bell rung pretty good."

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"Because I have a history of concussions, they took me to see a neurologist for an assessment. He advised I take a few days off as I had suffered a concussion," he continued in subsequent tweets. "But I am definitely on the mend and looking forward to getting back to work with all the wonderful people on The Code."