Celine Dion revealed on Thursday that she is suffering from a rare neurological disorder called stiff-person syndrome that is affecting her everyday life.
The iconic singer announced the news in a video posted on social media and said she has postponed her 2023 tour.
“While we’re still learning about this rare condition, we now know this is what has been causing all of the spasms I have been having,” Dion said. “Unfortunately, these spasms affect every aspect of my daily life, sometimes causing difficulties when I walk and not allowing me to use my vocal chords to sing the way I’m used to.”
What is stiff-person syndrome?
The National Institute of Neurological Disorders and Stroke describes the syndrome as “a rare neurological disorder with features of an autoimmune disease.”
“SPS is characterized by fluctuating muscle rigidity in the trunk and limbs and a heightened sensitivity to stimuli such as noise, touch and emotional distress, which can set off muscle spasms,” NINDS said.
Only about one or two in a million people are affected by stiff-person syndrome, according to Johns Hopkins Medicine.
Spasms from the disorder can be triggered by “sudden movement, cold temperature or unexpected loud noises,” according to Johns Hopkins.
What are the symptoms of stiff-person syndrome?

Marcus Yam/Los Angeles Times/TNS
Celine Dion during the arrivals at the 59th Annual Grammy Awards at Staples Center in Los Angeles on Feb. 12, 2017. (Marcus Yam/Los Angeles Times/TNS)
Symptoms of stiff-muscle syndrome include “pain, muscle stiffness and aching discomfort,” according to the Cleveland Clinic.
“Over time, leg muscles become stiff and more muscles throughout your body become stiff including the arms and even the face,” the Cleveland Clinic said. “As stiffness increases, some people developed a hunched posture. In severe cases, this stiffness can make it hard to walk or move.”
Muscle spasms caused by SPS “are often very painful and usually worsen existing stiffness,” the National Organization for Rare Disorders said. These spasms, according to NORD, can last for hours.
People with the disorder are also more likely to have depression or anxiety symptoms, according to Yale Medicine.
Is there a cure for stiff-person syndrome?
There is no cure for stiff-person syndrome, according to Yale Medicine, but it can be treated.
“When doctors treat patients with this condition, they focus on relieving symptoms with medications such as sedatives, muscle relaxants, and steroids,” Yale Medicine said.
A study funded by NINDS showed an intravenous immunoglobulin treatment in people with SPS can reduce stiffness and lower sensitivity to noise, touch and stress.
Other treatment options include “physical therapy, massage, water therapy, heat therapy (and) acupuncture,” according to the Cleveland Clinic.
How is Celine Dion being treated?
Dion did not reveal the specifics of her treatment but said she has “a great team of doctors working alongside her.”
“I have to admit it’s been a struggle,” Dion said. “All I know is singing. It’s what I’ve done all my life, and it’s what I love to do the most.”
It’s unclear when Dion will return to the stage.
“I’m doing everything I can to recuperate,” she said.
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Celine Dion diagnosed with rare neurological disorder
PETER KEMP
20-year-old Montreal native Celine Dion is showing her Eurovision Song Contest trophy in Dublin, Ireland , May 1, 1988. (AP Photo/Peter Kemp)
PETER KEMP
20-year-old Montreal native Celine Dion is showing her Eurovision Song Contest trophy in Dublin, Ireland , May 1, 1988. (AP Photo/Peter Kemp)
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Celine Dion diagnosed with rare neurological disorder
REED SAXON
Celine Dion and Peabo Bryson are performing the song "Beauty and the Beast", that won them the Grammy for Best Pop Vocal Perfomance by a Group or Duo, at the 35th annual Grammy Awards in Los Angeles, Calif., February 25, 1993. (AP Photo)
REED SAXON
Celine Dion and Peabo Bryson are performing the song "Beauty and the Beast", that won them the Grammy for Best Pop Vocal Perfomance by a Group or Duo, at the 35th annual Grammy Awards in Los Angeles, Calif., February 25, 1993. (AP Photo)
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Celine Dion diagnosed with rare neurological disorder
MARK TERRILL
Canadian singer Celine Dion poses at the 37th annual Grammy Awards on Wednesday, March 1, 1995, at the Shrine Auditorium in Los Angeles, Calif., where she presented a Grammy to Al Green. (AP Photo)
MARK TERRILL
Canadian singer Celine Dion poses at the 37th annual Grammy Awards on Wednesday, March 1, 1995, at the Shrine Auditorium in Los Angeles, Calif., where she presented a Grammy to Al Green. (AP Photo)
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Celine Dion diagnosed with rare neurological disorder
JACK DEMPSEY
Singer Celine Dion sings her hit song "All By Myself" during her opening night performance at Caesars Palace in Las Vegas, Friday, Aug. 23, 1996. It is Dion's first time to perform in Las Vegas. (AP Photo/Jack Dempsey)
JACK DEMPSEY
Singer Celine Dion sings her hit song "All By Myself" during her opening night performance at Caesars Palace in Las Vegas, Friday, Aug. 23, 1996. It is Dion's first time to perform in Las Vegas. (AP Photo/Jack Dempsey)
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Celine Dion diagnosed with rare neurological disorder
GAEL CORNIER
Canadian singer Celine Dion performs at the Bercy stadium in Paris Friday Sept.20, 1996. (AP Photo/Gael Cornier)
GAEL CORNIER
Canadian singer Celine Dion performs at the Bercy stadium in Paris Friday Sept.20, 1996. (AP Photo/Gael Cornier)
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Celine Dion diagnosed with rare neurological disorder
LIONEL CIRONNEAU
Princess Stephanie of Monaco, right, gives the world's best selling award for a pop artist to Canadian singer Celine Dion during the 1997 World Music Awards in Monaco, French riviera, Thursday April 17, 1997. (AP Photo/Lionel Cironneau)
LIONEL CIRONNEAU
Princess Stephanie of Monaco, right, gives the world's best selling award for a pop artist to Canadian singer Celine Dion during the 1997 World Music Awards in Monaco, French riviera, Thursday April 17, 1997. (AP Photo/Lionel Cironneau)
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Celine Dion diagnosed with rare neurological disorder
NEAL HAMBERG
Singer Celine Dion is joined on stage by student singers from the W.H. Lincoln School in Brookline, Mass. during Dion's opening song "Let's Talk About Love" in front of a sellout crowd at Boston's Fleet Center, Friday, Aug., 21, 1998. Boston is the first stop of Dion's current world tour. (AP Photo/ Neal Hamberg)
NEAL HAMBERG
Singer Celine Dion is joined on stage by student singers from the W.H. Lincoln School in Brookline, Mass. during Dion's opening song "Let's Talk About Love" in front of a sellout crowd at Boston's Fleet Center, Friday, Aug., 21, 1998. Boston is the first stop of Dion's current world tour. (AP Photo/ Neal Hamberg)
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Celine Dion diagnosed with rare neurological disorder
JOE CAVARETTA
Singer Celine Dion speaks in front of the new Chrysler Crossfire, Tuesday, Nov. 5, 2002, in Las Vegas as part of the Specialty Equipment Market Associaction convention. Chrysler announced that Dion will appear in commercials for their cars beginning in early 2003. (AP Photo/Joe Cavaretta)
JOE CAVARETTA
Singer Celine Dion speaks in front of the new Chrysler Crossfire, Tuesday, Nov. 5, 2002, in Las Vegas as part of the Specialty Equipment Market Associaction convention. Chrysler announced that Dion will appear in commercials for their cars beginning in early 2003. (AP Photo/Joe Cavaretta)
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Celine Dion diagnosed with rare neurological disorder
NICK UT
Singer Celine Dion poses with Johnny Grant, honorary mayor of Hollywood, during a ceremony honoring her with the 2,244th star on the Hollywood Walk of Fame Tuesday, Jan. 6, 2004, in Los Angeles. Dion had been scheduled to receive the star last March to coincide with the beginning of her three-year contract to perform at Caesars Palace in Las Vegas, but the ceremony was postponed because of the war in Iraq. (AP Photo/Nick Ut)
NICK UT
Singer Celine Dion poses with Johnny Grant, honorary mayor of Hollywood, during a ceremony honoring her with the 2,244th star on the Hollywood Walk of Fame Tuesday, Jan. 6, 2004, in Los Angeles. Dion had been scheduled to receive the star last March to coincide with the beginning of her three-year contract to perform at Caesars Palace in Las Vegas, but the ceremony was postponed because of the war in Iraq. (AP Photo/Nick Ut)
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Celine Dion diagnosed with rare neurological disorder
ERIC JAMISON
Recording artist Celine Dion performs at the 2004 World Music Awards Wednesday, Sept. 15, 2004, at the Thomas and Mack Arena in Las Vegas. Dion was given the "Diamond Award." (AP Photo/Eric Jamison)
ERIC JAMISON
Recording artist Celine Dion performs at the 2004 World Music Awards Wednesday, Sept. 15, 2004, at the Thomas and Mack Arena in Las Vegas. Dion was given the "Diamond Award." (AP Photo/Eric Jamison)
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Celine Dion diagnosed with rare neurological disorder
JAE C. HONG
Elton John, left, and Celine Dion, right, perform together for the first time at Caesars Palace hotel-casino in Las Vegas on Monday, Feb. 20, 2006, to raise funds for the hurricane-affected employees of Harrah's Entertainment Inc. The concert raised $2.1 million. (AP Photo/Jae C. Hong)
JAE C. HONG
Elton John, left, and Celine Dion, right, perform together for the first time at Caesars Palace hotel-casino in Las Vegas on Monday, Feb. 20, 2006, to raise funds for the hurricane-affected employees of Harrah's Entertainment Inc. The concert raised $2.1 million. (AP Photo/Jae C. Hong)
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Celine Dion diagnosed with rare neurological disorder
ISAAC BREKKEN
Celine Dion stands with a wax figure of herself before her 500th performance at Caesars Palace in Las Vegas, Sunday, May 7, 2006. (AP Photo/Isaac Brekken)
ISAAC BREKKEN
Celine Dion stands with a wax figure of herself before her 500th performance at Caesars Palace in Las Vegas, Sunday, May 7, 2006. (AP Photo/Isaac Brekken)
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Celine Dion diagnosed with rare neurological disorder
Mark J. Terrill
Canadian singer Celine Dion performs the song "I Knew I Loved You, during a tribute to Italian composer Ennio Morricone, at the 79th Academy Awards Sunday, Feb. 25, 2007, in Los Angeles. Morricone composed the song for the 1984 Sergio Leone movie, "Once Upon a Time in America". (AP Photo/Mark J. Terrill)
Mark J. Terrill
Canadian singer Celine Dion performs the song "I Knew I Loved You, during a tribute to Italian composer Ennio Morricone, at the 79th Academy Awards Sunday, Feb. 25, 2007, in Los Angeles. Morricone composed the song for the 1984 Sergio Leone movie, "Once Upon a Time in America". (AP Photo/Mark J. Terrill)
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Celine Dion diagnosed with rare neurological disorder
Jae C. Hong
Singer Celine Dion poses for photos at Lake Las Vegas Resort in Henderson, Nev., Monday, May 21, 2007. Celine Dion released her new French album Monday. (AP Photo/Jae C. Hong)
Jae C. Hong
Singer Celine Dion poses for photos at Lake Las Vegas Resort in Henderson, Nev., Monday, May 21, 2007. Celine Dion released her new French album Monday. (AP Photo/Jae C. Hong)
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Celine Dion diagnosed with rare neurological disorder
ECKEHARD SCHULZ
Canadian singer Celine Dion performs her song "Taking Chances" during the German TV show "Wetten dass...?" (Bet that..) staged in Leipzig, eastern Germany, on Saturday night, Nov. 10, 2007. (AP Photo/Eckehard Schulz, Pool)
ECKEHARD SCHULZ
Canadian singer Celine Dion performs her song "Taking Chances" during the German TV show "Wetten dass...?" (Bet that..) staged in Leipzig, eastern Germany, on Saturday night, Nov. 10, 2007. (AP Photo/Eckehard Schulz, Pool)
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Celine Dion diagnosed with rare neurological disorder
Isaac Brekken
Celine Dion hugs her son Rene Charles, while her husband Rene Angelil looks on during final performance of A New Day at Caesar's Palace Hotel & Casino in Las Vegas on Saturday, Dec. 15, 2007. (AP Photo/Isaac Brekken)
Isaac Brekken
Celine Dion hugs her son Rene Charles, while her husband Rene Angelil looks on during final performance of A New Day at Caesar's Palace Hotel & Casino in Las Vegas on Saturday, Dec. 15, 2007. (AP Photo/Isaac Brekken)
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Celine Dion diagnosed with rare neurological disorder
Jason DeCrow
Singer Celine Dion performs at Madison Square Garden Monday, Sept. 15, 2008 in New York. (AP Photo/Jason DeCrow)
Jason DeCrow
Singer Celine Dion performs at Madison Square Garden Monday, Sept. 15, 2008 in New York. (AP Photo/Jason DeCrow)
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Celine Dion diagnosed with rare neurological disorder
Chris Carlson
Singer, Céline Dion rehearses at the Kodak Theatre in the Hollywood section of Los Angeles, Friday, Feb. 25, 2011. The 83rd Academy Awards airs Sunday. (AP Photo/Chris Carlson)
Chris Carlson
Singer, Céline Dion rehearses at the Kodak Theatre in the Hollywood section of Los Angeles, Friday, Feb. 25, 2011. The 83rd Academy Awards airs Sunday. (AP Photo/Chris Carlson)
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Celine Dion diagnosed with rare neurological disorder
Matt Sayles
Celine Dion arrives before the 83rd Academy Awards on Sunday, Feb. 27, 2011, in the Hollywood section of Los Angeles. (AP Photo/Matt Sayles)
Matt Sayles
Celine Dion arrives before the 83rd Academy Awards on Sunday, Feb. 27, 2011, in the Hollywood section of Los Angeles. (AP Photo/Matt Sayles)
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Celine Dion diagnosed with rare neurological disorder
Chris Pizzello
Celine Dion, left, presents the award for Billboard artist of the year to Taylor Swift at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 19, 2013 in Las Vegas. (Photo by Chris Pizzello/Invision/AP)
Chris Pizzello
Celine Dion, left, presents the award for Billboard artist of the year to Taylor Swift at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 19, 2013 in Las Vegas. (Photo by Chris Pizzello/Invision/AP)
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Celine Dion diagnosed with rare neurological disorder
Powers Imagery
Celine Dion performs at The a Colosseum at Caesars Palace on Thursday, August, 27th, 2015, in Las Vegas, NV. (Photo by Al Powers/Powers Imagery/Invision/AP)
Powers Imagery
Celine Dion performs at The a Colosseum at Caesars Palace on Thursday, August, 27th, 2015, in Las Vegas, NV. (Photo by Al Powers/Powers Imagery/Invision/AP)
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Celine Dion diagnosed with rare neurological disorder
Chris Pizzello
Celine Dion reacts as her son Rene-Charles Angelil, center, presents her with the Icon Award, at the Billboard Music Awards at the T-Mobile Arena on Sunday, May 22, 2016, in Las Vegas. Looking on at right is Seal. (Photo by Chris Pizzello/Invision/AP)
Chris Pizzello
Celine Dion reacts as her son Rene-Charles Angelil, center, presents her with the Icon Award, at the Billboard Music Awards at the T-Mobile Arena on Sunday, May 22, 2016, in Las Vegas. Looking on at right is Seal. (Photo by Chris Pizzello/Invision/AP)
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Celine Dion diagnosed with rare neurological disorder
Charles Sykes
Celine Dion attends The Metropolitan Museum of Art's Costume Institute benefit gala celebrating the opening of the Rei Kawakubo/Comme des Garçons: Art of the In-Between exhibition on Monday, May 1, 2017, in New York. (Photo by Charles Sykes/Invision/AP)
Charles Sykes
Celine Dion attends The Metropolitan Museum of Art's Costume Institute benefit gala celebrating the opening of the Rei Kawakubo/Comme des Garçons: Art of the In-Between exhibition on Monday, May 1, 2017, in New York. (Photo by Charles Sykes/Invision/AP)
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Celine Dion diagnosed with rare neurological disorder
Richard Shotwell
Celine Dion poses in the press room at the Billboard Music Awards at the T-Mobile Arena on Sunday, May 21, 2017, in Las Vegas. (Photo by Richard Shotwell/Invision/AP)
Richard Shotwell
Celine Dion poses in the press room at the Billboard Music Awards at the T-Mobile Arena on Sunday, May 21, 2017, in Las Vegas. (Photo by Richard Shotwell/Invision/AP)
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Celine Dion diagnosed with rare neurological disorder
Francois Mori
Singer Celine Dion arrives for the Vauthier Spring/Summer 2019 Haute Couture fashion collection presented in Paris, Tuesday Jan. 22, 2019. (AP Photo/Francois Mori)
Francois Mori
Singer Celine Dion arrives for the Vauthier Spring/Summer 2019 Haute Couture fashion collection presented in Paris, Tuesday Jan. 22, 2019. (AP Photo/Francois Mori)
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Celine Dion diagnosed with rare neurological disorder
Charles Sykes
Celine Dion attends The Metropolitan Museum of Art's Costume Institute benefit gala celebrating the opening of the "Camp: Notes on Fashion" exhibition on Monday, May 6, 2019, in New York. (Photo by Charles Sykes/Invision/AP)
Charles Sykes
Celine Dion attends The Metropolitan Museum of Art's Costume Institute benefit gala celebrating the opening of the "Camp: Notes on Fashion" exhibition on Monday, May 6, 2019, in New York. (Photo by Charles Sykes/Invision/AP)