Halsey is opening up about her health struggles she sings about in her new song "The End."
The "Without Me" singer took to Instagram on Wednesday to share that she has been diagnosed with both systemic lupus erythematosus (SLE) and a "rare" T-cell lymphoproliferative disorder beginning in 2022.
"Both of which are currently being managed or in remission; and both of which I will likely have for the duration of my life," she added.
MORE: Halsey welcomes her 1st child, Ender Ridley AydinSLE is the most common form of lupus, a chronic autoimmune disease that can cause inflammation and pain in any part of the body, according to the Lupus Foundation of America.
According to the National Institute of Health, lymphoproliferative disorders refers to "a group of diseases characterized by uncontrolled production of lymphocytes that cause monoclonal lymphocytosis, lymphadenopathy and bone marrow infiltration" which often occurs in immunocompromised individuals. They can include leukemia and lymphoma.
"After a rocky start, I slowly got everything under control with the help of amazing doctors. After 2 years, I'm feeling better and I'm more grateful than ever to have music to turn to," Halsey further explained. "I can't wait to get back where I belong: With you all 🤍 Singing and screaming my heart out."
The singer said in the post she was sharing her diagnoses following the "unbelievable amount of love" she received for her new song "The End," which she released the day prior.
Halsey shared an emotional Instagram post on Tuesday, writing in the caption: "long story short, i'm Lucky to be alive. short story long, i wrote an album. it begins with The End. Out now."
The post marked the release of their new song "The End."
Halsey's post also tagged accounts for the Lupus Research Alliance and the Leukemia & Lymphoma Society, two organizations to which they are making donations, according to a press release.
In the first video included in the post, Halsey said she feels like "an old lady" and that she's giving herself "two more years to be sick."
"By 30, I'm having a rebirth and I'm not gonna be sick and I'm gonna look super hot and have lots of energy and I'm just gonna get to re-do my 20s in my 30s," she added.
The next video featured Halsey wearing a mask and sitting in what appears to be a medical facility, saying, "Today is Day 1 of treatment."
In the final video, the singer shared a montage of their experience throughout their treatment.
"The End" takes listeners on a journey through Halsey's health struggles, as she sings: "Every couple of years now, a doctor says I'm sick / Pulls out a brand new bag of tricks / And then they lay it on me / At first it was my brain, then a skeleton in pain / And I don't like to complain, but I'm saying sorry."
"When I met you I said I would never die / But the joke was always mine, 'cause I'm racing against time," Halsey sings at the end of the song. "And I know it's not the end of the world / But could you pick me up at 8 / 'cause my treatment starts today."
The singer, who has a 2-year-old son named Ender, has been open about her various health struggles through the years, including her experience with endometriosis.