Nicholas Brendon Checks Into Rehab for Second Time This Year

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Buffy the Vampire Slayer
star Nicholas Brendon is seeking treatment for the second time this year.

"I'm going to be going into a 90 day treatment program to fix myself and to understand the traumas of my mind," Brendon wrote to his fans in a Facebook post on Saturday. "I love and appreciate you all so much."

Hello to all my amazingly supportive fans. I'm going to be going into a 90 day treatment program to fix myself and to...

Posted by Nicholas Brendon on Saturday, October 17, 2015

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Brendon, who played Xander on the WB/UPN vampire drama from 1997-2003, has had a rough year, having been arrested four times since last October. Most recently, the actor was arrested in Saratoga Springs, New York on Sept. 30 and charged with felony 3rd degree robbery, criminal mischief and obstruction of breathing after being involved in a domestic dispute in a hotel room.

"Life is worth living so let's f***ing live it!!" the 44-year-old concluded his first message.

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He later opened up in a second Facebook post, thanking his fans for their support and detailing his recent struggles.

"It's been bad for me the last three years and I've had failed attempts at suicide," the actor revealed. "I really just want to live and love and be filled with Joy. I'm on the long and arduous path to find such things."

Hey guys. I can't tell you how much your support and kind comments mean to me. I love you all so much and if I can help...

Posted by Nicholas Brendon on Saturday, October 17, 2015

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Brendon checked into rehab for the first time this year in June, seeking treatment for alcoholism, depression and substance abuse. This new stint will mark his fourth trip, after previously undergoing treatment in 2004 and 2010. The actor also walked off an interview with Dr. Phil in June "before a dialogue ever began," later apologizing on Facebook for his actions.

"To my fans. For those of you who are disappointed by the events of the past week or the past year, I'm sorry," he wrote at the time. "For those of you who have shared your own struggles with addiction and depression, thank you. It lifts my spirits to know we are not alone."

"I'm not perfect and I'm the first to admit that I've made mistakes," the actor continued in his second post on Saturday, "but I'm trying and will continue to try until l’m not walking this earth anymore."

WATCH: 'Buffy' Star Nicholas Brendon Storms Off 'Dr. Phil' in Explosive Interview