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"Grey’s Anatomy" star Camilla Luddington is getting candid about a personal health battle that left her confused, exhausted and, at times, barely able to function.

Luddington, 41, known for her role as Dr. Jo Wilson on the long-running medical drama, revealed she was recently diagnosed with an autoimmune disorder that drastically impacted her everyday life – physically and emotionally.

"I want to say about two and a half months ago now, still very recent, I had blood work and it came back," she began to explain on her "Call It What It Is" podcast . "My doctor was like, everything looks great except this one little thing. And I remember hearing the words autoimmune disease and thinking ‘what the f---.’"

'GREY'S ANATOMY'

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