Halsey has been "in and out" of the hospital multiple times, owing to their health, and the singer has finally shared an update with fans about their condition.

The 27-year-old posted a series of videos to their Instagram Story on Tuesday explaining some of the symptoms they've experienced and the multiple syndromes they've been diagnosed with, according to People.

“Obviously my health has changed a lot since I got pregnant and gave birth,” said the singer who is mother to their son Ender Ridley Aydin, with partner Alev Aydin, born in July last year.

“I started getting really, really, really, sick… I was hospitalized for anaphylaxis, a few times, and I had some other stuff going on. Basically, after seeing like 100,000 doctors, I got diagnosed with Ehlers-Danlos syndrome, Sjogren's syndrome, Mast Cell Activation Syndrome (MCAS), POTS (postural orthostatic tachycardia syndrome)," Halsey said.

The singer, who was wearing a heart monitor in the video, noted that the doctors are still looking for the "root cause of some of these things."

"It could be potentially another autoimmune disease, and I've known I've had autoimmune issues for most of my life, especially having endometriosis, but it's kind of been exacerbated since I had Ender," the three-time Grammy Award nominee explained.

Halsey
SYDNEY, AUSTRALIA - NOVEMBER 27: Halsey arrives for the 33rd Annual ARIA Awards 2019 at The Star on November 27, 2019 in Sydney, Australia. (Photo by Lisa Maree Williams/Getty Images) Photo by Lisa Maree Williams/Getty Images

Halsey, who uses she/they pronouns, went on to share that there's no reason to worry and that they're working on getting better. “I don’t want anybody to be worrying. I’m on a treatment plan right now,” they assured fans. They also took the opportunity to let their fans know that they’re still in rehearsals for the upcoming “Love and Power” Tour.

“I’m really excited and I’m really confident that I’ll be able to do it in a way that’s healthy, where I can perform my best for all of you.”

Ehlers-Danlos syndrome is a group of inherited disorders that affect the body's connective tissues, including skin, joints, and blood vessels, according to Mayo Clinic.

Sjogren's syndrome, which is classified as an autoimmune disorder, basically causes the body to attack the glands that make tears and saliva but can also damage other parts of the body, including the joints, thyroid, kidneys, liver, and more states WebMD.

MCAS, meanwhile, is a condition in which "mast cells in your body release too much of a substance that causes allergy symptoms," according to Healthline.

POTS, on the other hand, is a condition that affects blood flow, which can then result in lightheadedness, rapid heartbeat, and even fainting upon standing up, per Cleveland Clinic.