Catelynn Lowell has entered rehab to get help with a longtime struggle with anxiety and depression.

The 24-year-old reality star announced Wednesday that she's checking into an Arizona facility in a statement to MTV News, stressing she'll be treated for "mental health issues" and not drug use.

"I'm seeking help for myself and my family," the "Teen Mom OG" star said. "Thank you to all of my supporters. My family and I would appreciate some privacy at this time."

Lowell and her husband, Tyler Baltierra, had alluded to problems Tuesday on social media. The couple share 15-month-old daughter Novalee and married in Carlexvoix, Mich., in August.

"For everyone that thinks I'm so 'strong' I'm really not... one day you will know why. I also can be very weak," Lowell tweeted. "You guys have no clue how much you lift me up sometimes."

"Please just pray for my wife," Baltierra entreated fans. "For better or for worse... through sickness & in health... I will never stop fighting for my wife. Keep her in your prayers... thank you."

Fans and Lowell's "Teen Mom" co-stars showed their support for the star on social media.

Lowell followed up by posting, "Arizona here I come... I can't wait to be back to my normal self... this is for me and my family. Novalee and Tyler I love you both very much!!!"

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Lowell addressed her anxiety and depression on the "Teen Mom OG" reunion in February, revealing she can't "emotionally or physically take care of [herself]" when she's struggling.

The MTV reality series recently completed a second season as "Teen Mom OG."