Joe Manganiello has revealed shocking new details about the mysterious health battle that nearly cost him his life, describing years of chronic pain, failed treatments, and a life-saving organ amputation that doctors struggled to explain.

The actor, best known for roles in Spider-Man, True Blood, and Magic Mike, says he spent nearly a decade suffering in silence while searching for answers to a medical mystery that left even top specialists baffled.

Speaking about his upcoming memoir Bloodlines, Manganiello explained that very few people knew what he had been enduring behind the scenes.

“For the better part of the past decade, most people don’t know this but I suffered in silence battling a deadly mystery illness,” he said in a video shared on social media.

According to Manganiello, the health crisis began with what he described as a cascade of autoimmune-related illnesses that affected multiple parts of his body, including his skin, thyroid, eyes, lungs, and digestive system.

The condition triggered years of severe complications and chronic pain.

Doctors Couldn’t Explain What Was Happening

Despite seeking help from leading medical experts, Manganiello says no one could identify what caused the illness.

“I saw the best doctors in the world and no one could explain what started my illness,” he revealed.

He added that treatments intended to help actually made his condition worse.

Attempts to manage the illness with powerful biologic medications reportedly intensified his symptoms and introduced additional side effects that plagued him for years.

As his health deteriorated, Manganiello underwent multiple serious procedures in an effort to keep the condition under control.

Life-Saving Surgery Changed Everything

Among the most significant consequences of the illness was a life-saving organ amputation, which the actor says became necessary during his fight for survival.

He also underwent additional surgeries and procedures that left him physically weakened.

“In an attempt to buy myself time I underwent very serious operations and procedures that mutilated parts of my body and left me so weak at times that I couldn’t stand up or walk,” he explained.

Manganiello recalled spending months heavily medicated while coping with debilitating pain.

The experience, he says, became one of the darkest chapters of his life.

“It was the most brutally difficult time of my life, one I wouldn’t wish on my worst enemy,” he told PEOPLE.

Turning to Unconventional Paths for Answers

With traditional medicine failing to provide clear explanations, Manganiello eventually broadened his search.

His upcoming memoir reportedly details a journey that led him beyond hospitals and specialists into spirituality, family history, ancient myths, and alternative healing practices.

The actor says his search included shamans, pagan rituals, and extensive research into his ancestry as he tried to understand what was happening to him.

While the process was often painful and frustrating, he ultimately emerged with a new perspective on the ordeal.

Why He’s Speaking Out Now

Manganiello says one reason for sharing his story is to help others who may be struggling with unexplained illnesses of their own.

“I hope there are people out there it’ll give hope to and will connect dots in ways I couldn’t at the beginning of my struggle,” he said.

Looking back, he now views the experience as transformative despite the suffering it caused.

“The process of writing this book gave me the gift of perspective that helped me to see that my suffering was a cocoon from which I would emerge forever changed.”

Although he spent years searching for answers, Manganiello says he hopes his story can offer encouragement to others facing difficult health battles.

“I hope that what I went through on this journey can give readers hope that answers and healing may lie for them on the other side of whatever they are fighting through.”