Teen Mom star Farrah Abraham is denying claims that she abuses prescription medications such as Adderall and Xanax in addition to alcohol.

"These are ridiculous, untrue claims. It's very sad that another mother would make up such stories, especially when I invited her out and treated her like a friend. In return, she was fake and wanted to make money off of hanging out with me," Abraham told Momfinds.com in a recent interview.

"It truly is disgusting and twisted that others bring [my daughter] Sophia and myself into their lies for attention. Sophia is the biggest part of my life and she makes me the happiest. Nothing else matters -- I'm focused and I do not have time for drugs or drinking. I'm happy, healthy and safe."

A girl who partied with Abraham for the reality TV star's 21st birthday, Austin Mathouser, made the accusations when she had told RadarOnline that Abraham is still uses drugs although Abraham claims she's moved on from her reckless past -- which had also included a suicide attempt.

"When she was in Hollywood to celebrate her 21st birthday we partied at Geisha House and Kiss Lounge in Beso," Mathouser told the website.

"All throughout dinner and the club she talked about how she does Xanax and Adderall to stay up and energized. She frequented the bathroom that whole night taking them to stay up."

Although RadarOnline characterized Mathouser as a "close gal pal" of Abraham's, that doesn't appear to be the case as Mathouser was a contest winner whom Abraham picked amongst many fans' entries online. The super fan won the right to celebrate Abraham's birthday but only met her that one time.

However, based upon the short time she got to spend with Abraham, Mathouser insisted the Teen Mom star is still struggling with her previous addiction issues. 

"She got very drunk. She was grabbing on guys and girls, and even hit one guy that didn't want to dance with her. She got really sloppy and was throwing her drinks around and yelling," added Mathouser, further claiming that Abraham doesn't just use drugs when she's out partying with friends.

"Farrah said she does Adderall before every event that she attends... It's sad because she has a little one. Sophia should be her 'high,' her enjoyment and happiness. I've personally lived with drug addicts and it's not fair to the child at all."