Inside Robert Carradine’s mental heath struggles before shocking death at 71

Robert Carradine dealt with several mental health struggles in the years leading up to his shocking death Monday.

The “Lizzie McGuire” actor had a 20-year battle with bipolar disorder that worsened following the 2009 death of his half-brother, David Carradine, who died from asphyxiation in a hotel room in Thailand.

Robert claimed his mental illness was triggered by David’s death and later led to his bipolar disorder diagnosis.

In 2015, the “Revenge of the Nerds” star and his then-wife, Edith Mani, were injured in a car crash in Colorado.

According to the Colorado State Patrol, Robert crossed into the oncoming lane on Colorado Highway 145, crashing into a tractor-trailer.

Though he and Mani were both hurt, their injuries were not life-threatening. The truck driver, Richard Clayton of Wisconsin, was not injured.

Robert was issued a citation and later mailed in a $169.50 payment for the accident.

Two years later, Mani — who shared children Marika, 35, and Ian, 33, with Robert — stated in divorce court documents that she confronted her husband about the incident and he allegedly “confessed to me and our two children that he deliberately drove into the truck to kill us both.”

At the time, Mani claimed Robert purposely veered into a full-size semi-truck as a result of the depression he suffered since David died.

In the court docs, Mani requested possession of Robert’s 17 guns for fear that he might harm himself.

Robert and Mani tied the knot in 1990. She filed for divorce in 2015.

The Disney Channel alum was also a dad to daughter Ever Carradine, 51, whom he shared with Susan Snyder.

As Page Six previously reported, Robert died by suicide Monday after his two-decade battle with bipolar disorder. He was 71.

“In a world that can feel so dark, Bobby was always a beacon on light to everyone around him. We are bereft at the loss of this beautiful soul and want to acknowledge Bobby’s valiant struggle against his nearly two-decade battle with Bipolar Disorder,” Robert’s family told Deadline in a statement.

“We hope his journey can shine a light and encourage addressing the stigma that attaches to mental illness. At this time we ask for the privacy to grieve this unfathomable loss. With gratitude for your understanding and compassion.”

Several stars have paid tribute to the late star, including Hilary Duff, who played Robert’s onscreen daughter in “Lizzie McGuire” from 2001 to 2004.

“This one hurts. It’s hard to face this reality about an old friend,” she wrote via Instagram Monday.

“There was so much warmth in the McGuire family and I always felt so cared for by my on-screen parents,” Duff added.

“I’ll be forever grateful for that. I’m deeply sad to learn Bobby was suffering. My heart aches for him, his family and everyone who loved him.”

If you or someone you know is affected by any of the issues raised in this story, call or text the Suicide & Crisis Lifeline at 988.