Lena Dunham is canceling her Lenny Letter tour due to health issues.

The 31-year-old actress announced Friday that she will no longer take the newsletter on the road following the return of her endometriosis.

"My body, which I've worked through all kinds of pain for many years, just doesn't have what it takes to do this tour," Dunham wrote on the Lenny Letter website.

"Lenny is about giving 100 percent of ourselves, 100 percent of the time, and I couldn't bear to limp through this."

"To be perfectly honest, I'm in the greatest amount of physical pain that I have ever experienced. After being told I was endometriosis-free after my last procedure, more disease was found in deeper spots that required immediate surgery and now physical therapy," she shared.

The "Girls" creator said in April that she was "disease-free" after having her fifth surgery in the past year.

She has struggled with endometriosis, an often-painful condition where abnormal tissue grows outside the uterus, for years.

"I want to thank YOU for wanting to join us in this grand experiment," the actress told fans Friday.

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"Obviously, your tickets will be refunded in full -- we're not monsters! -- and we hope to be back when my uterus has taken a chill pill."

The cancellation follows news Dunham was rushed to the hospital from the Met Gala this month due to complications from her most recent surgery.

She and Lenny Letter co-founder Jenni Konner were to kick off the tour May 31.