Jenna Jameson Reveals She's Facing Return to Hospital Amid Health Battle

Jenna Jameson has revealed she's facing a possible return to hospital, as she continues to be plagued by a long-running mystery illness.

The former adult film star, 48, was initially misdiagnosed with rare autoimmune disorder Guillain-Barré syndrome back in January as muscle atrophy in her legs left her unable to walk unaided and reliant on a wheelchair.

Following months of assuring fans that her recovery was heading in the right direction, the Hawaii-based model took to Instagram on Sunday to reveal that she was experiencing a setback.

"I'm not feeling very good," Jameson said in a self-shot video posted on her Instagram Story. "It looks I am going to have to go back into the hospital, and I am not excited about that. But I have to do what I have to do."

She rounded out the clip by thanking her social media followers for "hanging with me."

Jenna Jameson facing return to hospital
Jenna Jameson is pictured main on October 25, 2013, in Los Angeles, California. She is pictured inset on Instagram on Sunday. The former adult film start has revealed that she could potentially be returning to hospital amid her long-term mystery illness. Rodrigo Vaz/FilmMagic;/Jenna Jameson/Instagram

On June 17, Jameson shared a post on Instagram, in which she revealed that she had been experiencing low energy levels.

Captioning a filtered selfie, she wrote:" Feeling pretty tired lately... oddly enough it's still hard to sleep. Love you guys and keep me in your prayers. We are still looking for a definitive diagnosis."

Days later, she returned to the image-sharing platform on another of her Instagram accounts to share that while she had overcoming one problem, she was enduring another.

"Finally slept well last night. Woke up feeling weak," said Jameson. "Trying to stay positive and continue pushing forward. Love you guys."

Jameson had been previously released from hospital in February, after doctors spent several weeks treating her and attempting to diagnose her illness.

Back in April, she revealed that she had been working with a therapist who deals with "memory, like cognitive issues," explaining: "Since all of this went down, I have like lapses in my memory. My short-term memory is trash. It's just trash.

"My long-term is great, like I remember everything from my childhood. Can I remember only short-term stuff and forget the long-term? Because seriously it would probably be good for me."

She then went on to explain that medical professionals have informed her that her memory may have been negatively impacted by the stress of her illness. Jameson added her own theory that a lack of sleep may also be at the root of the issue.

"They seem to think that it [could] more be tied into stress," she said. "They think that it is a stress issue and less of a cognitive issue. So the brain is working, which is a good thing. That's my best asset—I mean, some people might argue, but whatever."

Jenna Jameson and Lior Bitton
Jenna Jameson is pictured left on on October 25, 2013 in Los Angeles, California. Her partner, Lior Bitton (R), said on Instagram back in January that the model had been "throwing up for a couple weeks," which led to her initial hospitalization. Albert L. Ortega/Getty Images;/Jenna Jameson/Instagram

Jameson also said she had started taking supplements after discovering that she had "very low" thiamine levels.

"I am still alive," she said in a video shot from her bed. "We're still kind of looking for answers. One thing that's happening is that I have very low thiamine levels, which can affect a lot of different things in the body, including walking. Go figure.

"I think that my lack of thiamine in my body is definitely not helping... So I am taking a lot of vitamin B1 and doing a lot of physical therapy and hoping for the best. So keep me in your prayers."

Thiamine, which is found naturally in a number of foods and can be taken as a supplement, plays a vital role in energy metabolism and in the growth, development, and function of cells, according to the National Institutes of Health.

Early stages of a thiamine deficiency can cause "weight loss and anorexia, confusion, short-term memory loss, and other mental signs and symptoms; muscle weakness; and cardiovascular symptoms (such as an enlarged heart)," per the government agency.

Jameson's partner, Lior Bitton, said on Instagram back in January that the model had been "throwing up for a couple weeks," which led to her initial hospitalization. She underwent a CT scan before doctors sent her home, according to Bitton.

"Then she came back home and she couldn't carry herself," Bitton said. "Her muscles in her legs were very weak. So she wasn't able to walk to the bathroom.

"She was falling on the way back or to the bathroom. I would have to pick her up and carry her to bed. And then within two days it got really not so good. Her legs started to not hold her—she wasn't able to walk."

In March, Jameson admitted that she was finding her health woes "very mentally challenging," telling her followers: "I am slowly but surely building back strength. I am walking around with a walker.

"My legs have lost a lot of muscle, so I'm busy trying to build it back. This has been not only physically taxing, but I think more than that just... very mentally challenging. I'm used to hard challenges."