"Greys 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' STAR ERIC DANE SPEAKS OUT FOR FIRST TIME SINCE REVEALING ALS DIAGNOSISLuddington continued to say that her doctors diagnosed her with Hashimotos hypothyroidism and told her that it was a very common autoimmune disorder.Hashimotos disease is an autoimmune disorder in which the immune system attacks the thyroid gland, causing symptoms like fatigue, muscle weakness and joint pain, according to the Mayo Clinic.As she explained it, "Hashimoto's is when your body's immune system accidentally attacks your thyroid, which is a little gland in your neck that helps control your energy, AKA makes you a little slothy. K? So over time, the damage it does, it makes the thyroid slow down and stop making enough hormones."LIKE WHAT YOURE READING? CLICK HERE FOR MORE ENTERTAINMENT NEWS"The thing that was really strange actually was the week before, I was waking up and my face and my hands were really swollen. So, I was very confused as to why I was suddenly looking so swollen in my eyes... I was having trouble taking my rings off," she said of her symptoms.Eventually, Luddington decided to get the blood work done. She said that after her results came back, "I remember [them] saying I dont know how youre functioning."HGTV STAR HEATHER RAE EL MOUSSA DIAGNOSED WITH HASHIMOTOS DISEASE: I FEEL LIKE IM DEADWhile the diagnosis may have been overwhelming for Luddington, it was also a kind of validation."Sometimes, when you have health anxiety, you do feel like you're gaslighting yourself. I was like, nothings wrong, like I'm crazy," she said. "This is one of those things where its like here we go, Luddington."Still, shes found hope in the treatment plan and the support shes received.CLICK HERE TO SIGN UP FOR THE ENTERTAINMENT NEWSLETTER"After being told like, listen we have a way to control this and treatment and everything, I felt more calm about it. And then the relief was just... really huge."The actress admits the journey hasnt been easy."Its hard to live this way," she said. "I didn't realize how exhausted my body was."Reps for Luddington did not immediately respond to Fox News Digital for comment.