Fashion can be deadly.

Suki Waterhouse told fans on Monday that she landed in the hospital after suffering a hernia from wearing pants that were too tight.

“‘Suki, you never tweet anymore,’ someone might say. Have you thought about the fact that six months ago, I wore pants so tight they gave me a hernia, and I’ve been too frightened to mention it?” the 33-year-old actress and singer shared on X.

Waterhouse’s post came along with two pictures, the first of which captured her lying in a hospital bed. She was dressed in a hospital gown and wristband, had earphones in, and a vape was resting on her chest, while a cannula was visible in her arm.

The second photo seemed to be from Waterhouse’s Sparklemuffin Tour that took place last year between September and December. In the image, she was standing below green leaves and a disco ball, dressed in a white top and snug green pants.

Waterhouse responded to a fan’s tweet about her hospital post. One of her followers wrote, “vape in the hospital is diabolical,” to which she replied, “so true.”

A hernia, according to Cleveland Clinic, “happens in your abdomen or groin, when one of your organs pushes through the muscle or tissue that contains it.”

Waterhouse is expected to return to the stage on Aug. 8 for her performance at the Up In The Sky Music Festival in Aspen, Co.

The “Daisy Jones & The Six” actress released her second studio album, “Memoir of a Sparklemuffin,” in September then embarked on her three-month tour.

“Now that the album’s coming out, I want loud accessories,” she told Harper’s Bazaar last summer. “Things with sparkles, things with bright colors. That was part of naming the album. I want to be able to point to a cute thing and be like, ‘I must have it, it’s sparklemuffin.’”

Along with her acting and singing career, Waterhouse is also busy being a mom to her 1-year-old daughter, who she shares with fiancé Robert Pattinson.

While appearing on Emma Chamberlain’s podcast in the fall, Waterhouse explained that she wants try her best “to shield” her daughter from fans and paparazzi.

“But I also wanna take her for a walk and sit at a cafe and take her out,” she added. “And someone might, like, they probably are going to take a picture and they probably are gonna show her face. And you don’t actually get, like, there are laws but they go around them.”

Waterhouse and Pattinson, who have not confirmed their daughter’s name, first got together in 2018 after meeting at a star-studded house party.