Pete Davidson is back in rehab after 'struggling with borderline personality disorder and PTSD’

Pete Davidson is back in rehab after struggling with Borderline Personality Disorder (BPD).

According to Daily Mail, the 29 year old has checked into a rehab facility amid his ongoing battle with BPD and PTSD.

A close source has confirmed to Page Six that the comedian is seeking treatment from the same facility his friend John Mulaney also sought help for his drug addiction last year.

The insider said that Davidson regularly goes to rehab for ‘tune ups’ and to take a mental break.

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“Anyone who knows Pete knows that he will always step up and get help when he knows he needs it,” they said.

“He has a lot of people in his corner who love him and support him, and are proud of him.”

The close source added that he is taking a well-deserved break after dealing with long-term PTSD following the loss of his firefighter dad in 9/11.

It comes after the Bodies Bodies Bodies actor left a scathing voicemail to PETA after the animal organization said he should’ve adopted a dog instead of buying a new one.

The organization's Senior VP of Cruelty Investigations, Daphna Nachminovitch, issued a statement after Davidson adopted the puppy.

She said: "It's tragic that Pete didn’t seek out a borough-born mutt from a city animal shelter, because a scrappy New Yorker with charm, personality, and unconventional handsomeness could have been his perfect match."

PETA added: "Since shelters in New York and across the country are overflowing with homeless animals, PETA urges Pete to show some big heart energy by adopting, not shopping, in the future."

As a result, the former SNL star left them a voice note, explaining: “I just want to let you know I'm severely allergic to dogs so I have to get a specific breed. I'm only not allergic to cavapoos and those kinds of dogs. And my mom's f**king dog who was two years old died a week prior, and we're all so sad.”

“So why don't you do your research before you create news stories for people because you're a boring, tired f**ck? F**ck you and suck my d**k,” he concluded.

According to TMZ, Davidson has since clarified his comments.

“Then this organization (PETA) made a public example of us, making our grieving situation worse. I am upset. It was a poor choice of words. I shouldn't have said what I said, but I am not sorry for standing up for myself and my family,” he shared.