The “Riverdale” alum has been diagnosed with interstitial cystitis following a series of inconclusive testing.

“The third night I’m there, I developed symptoms of a UTI,” recalled Reinhart.

“I’m like, ‘I’ve had UTIs before.

Lili Reinhart attends the 2024 Women In Film Annual Gala at the Beverly Hilton on October 24, 2024 in Beverly Hills, California.

Lili Reinhart.Credit:Axelle/Bauer-Griffin/FilmMagic

I’m a woman.

We all know how it feels.'”

Stephane Cardinale - Corbis/Corbis via Getty

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Lili Reinhart attends the 2024 Armani Beauty dinner photocall at Arsenale on August 31, 2024 in Venice, Italy.

Lili Reinhart.Stephane Cardinale - Corbis/Corbis via Getty

“No tumors, no cysts, just a lot of inflammation,” recalled Reinhart.

“No one ever knows what that is when I talk about it,” said Reinhart.

Reinhart reiterated toSelf, “Listen to your body, and don’t take no for an answer.

Don’t let a doctor tell you that nothing’s wrong when you know that there is .

my grandmother knew something was wrong.

She said, ‘Run tests.’

I’m sure that a part of my advocacy for women must come from that.

I’m so proud to be her granddaughter.”